Interpreting an Expression Quick Chec How many factors does the expression (17 –r) have? O four O two one three​

Answers

Answer 1

Answer:

One

Explanation


Related Questions

Recreate the sequence that occurs in the carbon cycle beginning with carbon dioxide gas.

combustion, atmosphere, soil organic matter, fossil fuel, plant biomass.

Answers

The four phases of the carbon cycle, which is vitally important for both plants and animals, are as follows:

What is carbon cycle?

A sequence of environmental processes known as the "carbon cycle" involve the absorption of carbon dioxide into living tissue through photosynthesis, its release back into the atmosphere through respiration, the decomposition of extinct creatures, and the burning of fossil fuels.

1. Carbon dioxide, a type of carbon, is released into the atmosphere. Examples include combustion and breathing.

2. Plants use the carbon dioxide in the air, and following photosynthesis, they release oxygen into the atmosphere.

3. Environment-present animals consume plants and transfer carbon up the food chain. They breathe out carbon dioxide into the atmosphere. Animals and plants pass away after a specific amount of time.

4. Unless fossils of plants and animals are developed, which also contain carbon, the body of plants and animals is eaten through decomposition, returning the carbon to the environment in the form of carbon dioxide.

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which phase of water is the most dense and which is the least dense

Answers

Answer:

The ice form of water is most dense, and the vapor form of water is the least dense.

Explanation:

The molecular cohesion in ice is stronger than in liquid or vapor, forcing the molecules of water to remain closely bonded making it dense.  The vapor form of water is weaker that liquid and ice since the molecules are nearly free roaming or loosely bonded making it not very dense.

Cheers.

The most dense phase of water is liquid water, and the least dense phase of water is ice.

As water freezes and transitions from a liquid to a solid state, the water molecules arrange themselves in a regular and more structured pattern, forming a crystal lattice.

This arrangement leads to an increase in the space between the water molecules compared to the more closely packed molecules in the liquid phase.

As a result, the density of ice is lower than that of liquid water.

This is due to the hydrogen bonding between water molecules.

When water freezes, the molecules slow down, and the hydrogen bonds stabilize, resulting in the formation of ice crystals with a less dense arrangement.

As the temperature decreases below 4 °C, the density of water decreases due to the expansion that occurs when it freezes into ice.

Thus, the most dense phase of water is liquid water, and the least dense phase of water is ice.

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In the autumn, many birds will collect seeds and then hide them in various caches throughout their habitat. The birds will guard their caches from other birds, and move the caches if they start to dry out. These caches provide a food source for the birds during the winter. What is an abiotic factor that contributed to the evolution of this set of behaviors? A. being preyed upon by larger birds B. competition with other birds for space C. limited food availability D. cold winter climate

Answers

Answer:cold winter climate

Explanation:During winter specially in the eastern and western part of the world....snows bury grounds and food that enables this organisms live....and cold can also affect them

Answer:

Answer: c. limited food availability

Explanation:

Both biotic and abiotic factors are responsible for shaping the evolutionary framework of the population. Resource availability can be one of the important abiotic  factor in determining the evolutionary dynamics of the population or species. Limitations in resource can result in increase in competition.  According to population exclusion principle when two species compete for the same limiting  resource this results in co-evolution of both the species. But the extent of evolution may vary among the species. The one which undergoes more favorable evolution will be stronger competitor and drive more resources and will be fit for survival in adverse limiting conditions.

Which latitude lines does photoperiodism have the greatest effect? Why?

Answers

Answer: A short-day plant will not flower if light is turned on for a few minutes in the middle of the night and a long-day plant can flower if exposed to more red-light in the middle of the night. Cryptochromes are another type of photoreceptor that is important in photoperiodism. Cryptochromes absorb blue light and UV-A.

Explanation:

True or False: Polar molecules do not have a difference in electrical charge.

Answers

Answer:

false

Explanation:

nonpolar molecule has no separation of charge, so no positive or negative poles are formed

When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals may form. How is this possible? When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals may form. How is this possible? Two diverged populations are capable of mating and producing viable and fertile offspring. Hybrid individuals may have reduced fitness and thus be strongly selected against. Hybrid individuals are always allopolyploid and are thus unable to mate with either of the original species. One species has a selective advantage, so as hybridization continues, the other species will go extinct.

Answers

Answer:

Two diverged populations are capable of mating and producing viable and fertile offspring.

Explanation:

Although the biological concept of species says that two different species can not mate and produce viable fertile descendants, the hybrid zones are characterized for being an area where two different genetically groups meet and reproduce. These groups might be the same or different species.

This is a frequent phenomenon in nature, and widely common geographically and among taxonomic groups. It is not rear that different sympatric populations, with a short time of divergence and similar reproductive strategies, can hybridize and even generate new populations that get reproductively isolated from their parentals.

When talking about sympatry we refer to two similar species that coincide in part or their whole distribution area.  

These new populations are even morphologically different from the parental forms, which allow them to colonize new habitats and niches, promoting diversification.

Hibridation zones are very important to conserve, just because they are points of genetic diversity generation and diversification areas.

When the ranges of two different species meet, a stable "hybrid zone" occupied by hybrid individuals can form. This is possible because hybrid individuals are always allopolyploid and therefore are unable to mate with any of the original species, to understand more we need to know that......

Hybrid animals

Hybridization, that is, the process through which different species reproduce, generating an offspring, is not considered a very common phenomenon in nature. This is because, in general, species have a distinct number of chromosomes, the cell structures that contain genes. These differences in the number of chromosomes can make the development of the embryo unfeasible, as the alignment of equivalent chromosomes from the female and the male are necessary for the division of the fertilized cell to occur. When this alignment does not occur, the cell does not reproduce and dies. However, in some cases, even with the lack of chromosome pairs, reproduction between different species is successful, generating the hybrid. However, the birth of the individual does not mean that its survival is guaranteed. Often, the hybrid generated is weaker than its parents and does not survive; in other cases, the hybrid can adapt better to the environment than the species that conceived it.

With this information, we can conclude that hybrid animals are a cross between two different species, but this hybrid can have several complications for its survival.

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Smooth endoplasmic Reticulum has ribosomes attached to its surface. correct and rewrite the following.

Answers

Answer:

See below

Explanation:

The correct statements can be two of the following:

1) Rough Endoplasmic reticulum has ribosomes attached to it.

2) Smooth endoplasmic reticulum do not have ribosomes attached to it.

what is the meaning of Alkaline medium in life processes ​

Answers

Answer:

an alkali also can be defined as a base that dissolves in water. a solution of soluble base has a pH greater than 7.0. the adjective alkaline is commonly, an alkalescent less often, used in English as a synonym for basic, especially for bases soluble in water.

What is the function of the nucleus? A. Builds proteins B. Stores the cell's glucose C. Stores the cell's DNA D. Produces energy for the cell by respiration

Answers

Appropriate Answer:

[tex] \large{ \boxed{ \bf{ \pink{Stores \: the \: cell \: DNA(C)}}}}[/tex]

Nucleus is the control centre of the cell and manages all the cellular activities taking place inside the cell. It consists of four parts :-

Nuclear membrane, Nucleoplasm, Chromatin material and Nucleolus.

The Chromatin material(Condensed - Chromosome) stores the cell's DNA which is transmitted to next generation.

C, Stores the cells DNA

What does "the process of making more of the same producing offspring" called?
Thanks..​

Answers

Asexual reproduction

what is the difference between your town's minimum temperatures yesterday? In your answer, list one explanation for why temperature changes during the day.

Answers

Answer:

Maximum temperature was 40 Celsius at daytime while temperature at night was 31 Celsius.

Explanation:

Yesterday maximum temperature was 40 Celsius at daytime while temperature at night was 31 Celsius because during daytime the intensity of sunlight increases the temperature of the particles present in the atmosphere.  So at daytime, temperature increases while at night decrease occurs in the temperature. There is a lot of fluctuation in temperature at daytime due to increasing and lowering the intensity of light.

Answer:

The difference between the high and low temperatures in New York City was 12 degrees. One reason for the temperature difference is Earth’s rotation. Temperatures are generally warmer during the day because that side of the planet is heated by the Sun. At night, that side faces away from the Sun. So, temperatures will be cooler.

Explanation:

Where should keisha place an x

Answers

next to a but i dont study algebra sorry

Blood pressure is determined by:________. A. estimating the degree of turbulence in a partly closed vessel. B. listening carefully to the pulse. C. measuring the size of the pulse. D. estimating the pressure needed to close off an artery with an external pressure cuff. E. measuring the force of contraction of the left ventricle.

Answers

Answer:

 D. estimating the pressure needed to close off an artery with an external pressure cuff.

Explanation:

It can be inferred from the passage that the time required to replenish muscle glycogen following anaerobic glycolysis is determined by which of the following factors? I. Rate of oxidative metabolism II. Quantity of lactic acid in the body fluids III. Percentage of glucose that is returned to the muscles

Answers

Answer:

Percentage of glucose that is returned to the muscles.

Explanation:

After intense physical activity, where glycogen reserves are consumed, the muscle acquires its resting and reactivation position, is where the organism that feeds the new reserves for the next physical activity is located.

Foods rich in carbohydrates identified as ATP or glucose in good quantities, but this depends on the amount of intake and the quality of the food, that is how when consuming these sources, the serum glucose values are metabolized, that is, increases glycemia and this promotes the release of insulin that is responsible for generating energy reserves with more complex chemical bonds such as glycogen.

Why do turtles hv paddle like flippers ?

Answers

Answer:

The answer is

Explanation:

Turtles have paddle like flippers to push back water while swimming.

Answer:

Turtles hv paddle like flippers so that they can push the water backward, move forward and swim easily

If a vaccine protects you for most of your life against a particular pathogen, why do you need a new flu shot every year? A. Influenza evolves very quickly and its antigens mutate so that your memory cells from the last vaccine won’t recognize it. B. Influenza is so strong that you need a booster every year to make sure your body can fight it. C. Influenza is a virus, and vaccines only generate memory cells for bacterial infections. D. You don’t need it every year, it is just offered every year for anyone who does not have it yet.

Answers

Answer:

If you got a flu shot this year, next year you'll need it again.

Explanation:

This is because the virus changes, usually rendering the previous year's vaccine partly or totally useless. hope this helps you :)

Answer:

A.

Explanation:

Influenza evolves very quickly and its antigens mutate so that your memory cells from the last vaccine won’t recognize it.

The 2020 influenza vaccine was not as efficient because scientists were scrambling to put out a vaccine for Coronavirus. Consequently, Coronavirus cases skyrocketed during the flu season.
Hope this helped!

also.. i have to put coronavirus and not "c0vid-19" because apparently it's too political. lol.

What happens when the positive transcription factor affinity is slightly lower than the negative transcription factors affinity? A. mRNA is made in large quantities in infrequent batches B. mRNA is made in small quantities in frequent batches. C. mRNA is made in large quantities in frequent batches D. mRNA is made in small quantities in infrequent batches.

Answers

Answer:

a

Explanation:

a

Answer: a!!

Explanation: this is correct!

During which of the following processes is carbon released into the atmosphere as carbon dioxide?
OA. photosynthesis and combustion
respiration and photosynthesis
OC. respiration and combustion
OD. combustion and sedimentation
22 of 30 Answered
Session Timer: 3:55

Answers

Answer:

Respiration and Combustion

Explanation:

What features do plant cells have in common with animal cells?

Answers

Answer:

they both are cells boom

Explanation:

they kinda different do

The nephron of mammals and malpighian tubules of insects are both involved in water and salt balance. They are also similar in that they are both:_______

Answers

Involved in elimination of nitrogenous waste

Name four breeds of cattle

Answers

Answer:

Black Angus, Red Angus, Holstein, Gelbvieh

Hope this helps!

After school, Kai feels hungry and tired. He finds some sugar cookies in the cabinet and finishes the whole package.
Which statements best describe the role of glucagon and insulin in this scenario?
O Glucagon was secreted by his pancreas before he ate the cookies because his blood glucose was low. Insulin
was secreted after he ate the cookies because his blood glucose was high.
O Insulin was secreted by his pancreas before he ate the cookies because his blood glucose was low. Glucagon
was secreted after he ate the cookies because his blood glucose was high.
O Glucagon was secreted by his pancreas before he ate the cookies because his blood glucose was low. After he
ate, insulin from the cookies increased his blood sugar levels.
O Insulin was secreted by his pancreas before he ate the cookies because his blood glucose was low. After he ate,
glucagon from the cookies increased his blood sugar levels.

Answers

Answer: Option A) Glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. Insulin was secreted after he ate the cookies because his blood glucose was high.

Explanation:When Kai was hungry and his blood glucose level was decreasing, glucagon is the hormone which was secreted by the islets of pancreas to increase the blood sugar levels in his body. Glucagon forces the liver to release the stored glucose in it, which increases the blood glucose level in the body. When Kai ate the sugar cookies there was enough of blood glucose available for his body, also it exceeded the requirement and went high. Insulin was then secreted to control this excess glucose from the islets of pancreas. As it helps the body cells to absorb the glucose and lowers the amount of glucose in the blood. It makes the cell available with the glucose to produce energy and perform their activities.

In short, glucagon and insulin both are secreted by the same organ which is islets of pancreas. But they differ in their function, glucagon increases the blood glucose when the body needs it, whereas insulin helps to absorb the excessive glucose and stores that in the body. Both are the hormones which help in regulating the body glucose levels.

During  process of digestion which takes place in digestive tract statement which describes role of glucagon and insulin is glucagon was secreted by  pancreas before he ate the cookies because his blood glucose was low. Insulin was secreted after he ate cookies because his blood glucose was high.

What is digestive tract?

It consists of the gastrointestinal tract along with the accessory organs which are present in digestion process . It involves the breakdown of complex food into smaller components which can be easily assimilated and absorbed by the body.

The digestion process has 3 phases: cephalic phase , gastric phase and intestinal phase.Cephalic phase begins with secretion of gastric juices from gastric glands in response to sight and smell of food.It involves chewing and chemical breakdown of food by the action of digestive enzymes ,saliva in the mouth contain enzymes like lipase and amylase which are secreted by the salivary and serous glands present on the tongue.

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Which of the following describes a positron emission tomography (PET) scanner? 1: A device that uses magnetic fields to produce images of brain structures 2: A device that uses magnetic fields to measure blood flow 3: A device that uses radioactive fluid to determine the active areas of the brain 4: An X-ray device that can create a 3D model of the brain

Answers

Answer:

3: A device that uses radioactive fluid to determine the active areas of the brain

Explanation:

A positron emission tomography (PET) scan is an imaging test that helps reveal how your tissues and organs are functioning. A PET scan uses a radioactive drug (tracer) to show this activity. This scan can sometimes detect disease before it shows up on other imaging tests.

Depending on the type of exam, the radiotracer is injected, swallowed or inhaled as a gas. It eventually accumulates in the area of the body under examination. A special camera or imaging device detects radioactive emissions from the radiotracer. The camera or device produces pictures and provides molecular information.

Find the weight of a pine tree that has a circumference of 14 inches and a height of 120 feet. Use the equation: W = b0 + b1(D2H)

Answers

Answer:

The answer is below

Explanation:

The weight of trees is calculated using the equation:

[tex]W=b_o+b_1(D^2H)[/tex]

W is the tree weight in tons, D is the diameter of the tree in inches, H is the height of the tree in feet and [tex]b_o \ and\ b_1[/tex] are constants.

The circumference is given by:

Circumference = 2πr

Where r is the radius and 2r is the diameter

Therefore:

14 = 2(22/7)× r

14 = (22/7)×2r

2r= 14 × 7 / 22

Diameter = 2r = 4.455 inches

[tex]W=b_o+b_1(4.45^2*120)\\W = b_o+2381.643b_1\\Let\ us\ assume\ b_o = -35,b_1=1.9.\\Therefore\\W = -35+2381.643(1.9)\\W=4490 \ tons[/tex]

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8
9
The ability of an organism to change internally or externally in relation to changes in the environment is called
complexity
heredity
o homeostasis
reproduction
NEXT QUESTION
ASK FOR HELP

Answers

Answer:

Homeostasis would be the answer out of those choices.

Explanation:

This is because they are adapting to their environment to ensure that their normal internal state is maintained.

HELPPPP!!!!! Based on the diagram above, which of the following correctly describes the function and components of layer A?

A) movement; villi, blood vessels, lymphatic vessels

B) movement; muscles and connective tissue

C) absorption; villi, blood vessels, lymphatic vessels

D) absorption; muscle and connective tissue

Answers

Answer:

The correct answer is option C.

Explanation:

The given diagram is the representation of small intestine which is responsible for the absorption. The mucosa layer is the innermost layer of lumen of the small intestine that consist villi with blood vessels and lymphatic vessels.

The villi are the structure that are responsible for the absorption of food in the intestine by increase the surface are.The blood vessels and lymphatic vessels that are found near them takes the nutrient absorbed to the body.

Thus, the correct answer is option C.

Which amino acid chain will be formed by the condons shown below?

Answers

Answer:

D. Gly Lys Cys

Explanation:

Which of the following is found in the 'rungs' of a DNA strand?
A. Uracil
B. Thymine
C. Deoxy Ribose
D. Phosphate

Answers

Answer:

Thymine

Explanation:

who discovered micro organisms​

Answers

Robert Hooke is the person that discovered Micro organism

Answer:

An English architect, "Robert Hooke" discovered micro organisms in 1665.

Hope this helped!

Have a nice day:)

BRAINLIEST would really help me:)

who discovered micro organisms​

Answers

Answer:

It was ROBERT HOOKE who discovered micro organisms and it was discovered in the period 1665-83 two fellows of the royal society.

Explanation:

In 1665 Hooke presented the first published depiction of micro organism.

Hope all these facts help.

Other Questions
Help please!!! Thxxxxx At the same time, Sam and Fred who are 168 miles apart begin moving toward each other. Find the number of hours before they meet if Sam runs 12 mph and Fred runs 9 mph. pls help :Find the missing side or angle.Round to the nearest tenth. I will give brainliest to the correct answer!! Find the vertex and the length of the latus rectum. x= 1/2(y - 5) + 7 Multiple-Choice Questions1. In 1995, Diana read 10 English books and 7 French books. In 1996, she read twice as many French books as English books. If 60% of the books that she read during the 2 years were French, how many English and French books did she read in 1996?(A) 16(B) 26(0) 32(D) 48 What kind of glass is used for car head lamp percentage of carbon in urea why were the british eager to give the americans what they wanted Which function has a constant additive rate of change of 1/4? A coordinate plane with a straight line with a negative slope. The line passes through (negative 2, 2) and (2, 1). A coordinate plane with a curved line passing through (negative 1, 2), (0, negative 1), the minimum (2, negative 2), and (4, negative 1). A two column table with five rows. The first column, x, has the entries, 20, 21, 22, 23. The second column, y, has the entries negative 1, negative 1.5, negative 2, negative 2.5. A two column table with five rows. The first column, x, has the entries, negative 12, negative 11, negative 10, negative 9. The second column, y, has the entries, 7, 11, 14, 17. What is the solution of the system of equations?y = -3x + 7y = 2x - 8 what number should replace the question mark Based on the context, a blunderbuss is most likely which of the following? (4 points) Determine the minimum rotation (in degrees) which will carry the following figure onto itself ( where all sides and verticles will match up). Round to the nearest tenth if necessary. Find the doubling time of an investment earning 3% interest if interest is compounded continuously? If a chemist wants to make one liter of a 1.5 M solution of NaOH from a stock solution of 2.5 M NaOH, how many milliliters of the stock solution would the chemist need to use? A.6.0 x 102 mL B. 0.60 mL C. 1.7 x 103 mL -3 = 7 - BLANK pls tell me what blank is If tanA = 3evaluateCosA + sinA\casA - SinA a student ran out of time on a multiple choice exam and randomly guess the answers for two problems each problem have four answer choices ABCD and only one correct answer what is the probability that he answered neither of the problems correctly The sun generates both mechanical and electromagnetic waves. Which statement about those waves is true?OA. The mechanical waves reach Earth, while the electromagnetic waves do not.OB. The electromagnetic waves reach Earth, while the mechanical waves do not.OC. Both the mechanical waves and the electromagnetic waves reach Earth.OD. Neither the mechanical waves nor the electromagnetic waves reach Earth. Find the total surface area.8 km4 km3.9 km2 km8 km