Answer:
The Author expects readers to answer that they do not have enough information to decide.
Explanation:
Does natural selection affect humans? How and why
Answer:
Yes it does affect humans.
Explanation:
Natural selection acts on the phenotype, but evolution is a change in the frequency of alleles in a population over time, a change in genotype. So natural selection acts on phenotype, but it is the connection to genotype that makes it the mechanism of evolution. Many traits vary among different members of a population of humans and animals, from body size to hair color, and those differences are often linked to differences in genes. Natural selection occurs when some of those traits help some individuals survive and reproduce more than others. In scientific terms, these hazards are referred to as selection pressures. They put pressure on us to adapt in order to survive the environment we are in and reproduce. It is selection pressure that drives natural selection "survival of the fittest" and it is how we evolved into the species we are today.
1. An atom of which element has 37 protons, 48 neutrons and 1 valence electron? Answer:
Answer: Rubidium
Explanation:
The atom with 37 protons, 48 neutrons, and 1 valence electron is Rubidium (Rb).
Which element has 37 protons, 48 neutrons, and 1 valence electron?Rubidium (Rb) is the element that has 37 protons, 48 neutrons, and 1 valence electron. Protons and neutrons are located in the nucleus of an atom, while valence electrons are found in the outermost energy level or shell.
In the case of Rubidium, it has 37 protons which defines its atomic number and element identity. Also, it has 48 neutrons which contribute to its atomic mass. The valence electron of Rubidium is in the outermost energy level making it readily available for chemical reactions and interactions with other atoms.
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What are the two types of visible-light telescopes?
The unit of electrical charge.
(1 Point)
Capacitor
Coulomb
Electric Dipole
Electromagnet
Ferromagnetic
Generator
Magnetic Force
North and South Poles
Ohms
Voltage
Answer:
coulomb
Explanation:
A coulomb is the SI unit of electric charge. It is equivalent to one ampere-second or the amount of charge transported in one second by a current of one ampere.
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Which two parts of the water cycle involve water in its gas form?
A) Condensation and collection
B) Evaporation and condensation
C) Precipitation and condensation
D) Runoff and evaporation
Explain why.
Evaporation and condensation involve water in its gas form. Hence, option B is correct.
What is the water cycle?The continual movement of water on, above, and below the Earth's surface is referred to as the water cycle, also known as the hydrologic cycle or the hydrological cycle. It is a very important cycle for the survival of living organisms.
The water cycle is composed mostly of four processes: evaporation, convection, precipitation, and collection. When the water in rivers, lakes, or the ocean is heated by the sun and turned into vapor or steam, this process is known as evaporation. In condensation, water vapors are converted into water.
The parts of the water cycle that involve water in its gas form are evaporation and condensation. Hence, option B is correct.
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Explain briefly HOW we have different cell types (blood, skin, muscles, nerves, etc.) *
Answer: Everybody is born with different blood cells, skin tone etc . That depends on your parents and the actual spermatozoon that got to the egg and eventually turned out to be you . That means that is up to the genes and races that you’ve been mixed with and created of . Sometimes even siblings have slight differences in their skin tone ,eye color etc . The genes and races or stuff like that, that you’re mixed with may pop up in different ways for you and your siblings i don’t know if that makes sense
5. How is this different from Darwin's idea of fitness?
Answer:
Darwinian fitness differs from the “physical fitness”, which is more associated with health, muscle tissues, oxygen, and physical effort. Darwinian fitness is more concerned about reproductive success. Darwinian fitness describes how successful an organism has been at passing on its genes.
What is Earth's atmosphere made of?
Answer:
Explanation:
Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent
What are the environmental and economical
uses of soil?
Answer:
Agriculture
Soil has vital nutrients for plants. As a result, it is used in agriculture to nourish plants. The roots of a plant receive nutrients from the soil to help it grow. The North Carolina Department of Agriculture and Consumer Services notes that 13 essential plant nutrients come from the soil.
Building
Soil is an important part of the building process. Soil compaction, which increases the density of the soil, is done as part of the building process. The purpose of the compaction is to improve the load support. If not done, structural failure can result. Soil can also be used as building materials such as adobe and red bricks.
and i cant write an mor
Given a force of 88 N and an acceleration of 4 m/s2....what is the mass?
a
10 kg
b
14 kg
c
22 kg
d
50 kg
Answer:
C
Explanation:
F=m*a
m=F/a=88N÷4m/s=22kg
Answer:
C
Explanation:
F=m*a
m=F/a=88N÷4m/s=22kg
Which statement correctly compares electric charge with electric current?
D) They both require a human to make them.
A) Neither require charged particles.
B) They both require a battery and a bulb.
C) They both require a movement of charged particles.
Answer:
I think it's C
Explanation:
Answer:
Answer is C)
Explanation:
Not all electricity is generated by humans, a battery or bulbs... BOTH must have an electric current in order to be active
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The image below depicts a bowling ball traveling down the lane and striking pins, knocking them down. Identify at least two forces acting on the bowling ball.
1. gravity
2. friction
3. air resistance
(also called ‘drag’)
4. density
What property allows carbon to form a wide variety of molecules?
a. It is the fourth most abundant element in the universe.
O b. It has an average mass of 12 AMU.
O c. It's electron configuration.
.
O d. It's number of protons.
Answer:
O c. It's electron configuration.
Explanation:
Electronic configuration is the property that allows carbon to form a wide variety of molecules. It is fourth most abundant element in the universe after hydrogen, helium and oxygen. It has four electrons in its outermost shell due to which carbon forms four covalent bonds with other elements such as hydrogen, oxygen, and nitrogen. Carbon also has the ability to making rings.
A rash can indicate the type of disease present.
True
False
Answer:
true
Explanation:
Answer:False
Explanation:Skin rashes can have causes that aren't due to underlying disease. Examples include hot and humid weather, excess sun exposure, or scratchy clothes that don't fit.
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tRNA is the molecule that brings the appropriate _______ _______ to the mRNA using an anticodon.
fill in the blank
Reptiles excrete their nitrogen waste the form of ?
Group of answer choices
Uric acid diluted with water as urine
noen of these they don't excrete nitrogen waste
urea diluted with water as urine
ammonia through their gills like fish
The percentage of a gene within a population is called
A) genetic variation
B) genetic frequency
C) gene pool
D) genetic drift
E) genetic diversity
Answer:
It's B, look up the definition.
Explanation:
A strike-slip fault is the result of what type of stress?
A
extension
B
compression
С
shear
D
strain
Answer:
С.shearExplanation:
A strike-slip fault is a dip-slip fault in which the dip of the fault plane is vertical. Strike-slip faults result from shear stresses .
Zebrafish (Danio rerio) is an important model organism in the field of genetics. One of the first mutant genes to be studied in this species was golden. The mutant allele was discovered in a pigmentation mutant purchased from a pet store, which changed the color of the fish from the wild-type silver-white coloration to a pale golden color. Calculate the percent likelihood of golden offspring from a cross between a heterozygous wild-type male fish to a golden female fish a 0% b 50% c 25% d 100%
Answer:
b
Explanation:
Let the wild type trait, the silver-white, be represented by A allele and the mutant trait, the golden color, be represented by a allele.
Heterozygous wild-type male fish would be Aa
Golden female fish would be aa
Aa x aa
Aa Aa aa aa
2/4 Aa = silver-white
2/4 aa = golden color
Hence, the percent likelihood of golden offspring is 2/4 or 50%.
The correct option is b.
If a car travels 200 meters in 20 seconds how fast was the car traveling.
Answer:75
Explanation:
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Quail use feathers for thermoregulation, flight and camouflage. What type of adaptation are feathers?
A. Structural
B. Behavioral
C. Physiology
D. Feathers are not an adaptation
Answer:
structural
Explanation:
In addition to flight and body feathers, birds also have down feathers. Down feathers are soft and fluffy because they don't have barbules and barbicels (the structures that hook feather barbs together). Down feathers help to keep a bird warm by trapping air close to the body, which insulates the bird from the cold.
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20 POINTS
Three chairs were rolling across a flat office floor. The blue and red chairs are the same mass, and they have more mass than the yellow chair. Each chair was hit by another chair, but not from the same direction. Use the information in the diagram to answer.
Answer:
The answer is A
Answer:
answer is A hope it helps
(2.92 +6) + (5.12 + 8)
|
Answer:
22.04
Explanation:
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It explains in the image.
Of these two spacecrafts, which do you feel had the most successful mission? Explain two reasons why.
Answer:
?
Explanation:
The stem of a plant is experiencing phototropism. Which statement correctly describes the plant's response? (1 point)
the stem moves away light for better photosynthesis
the stem moves towards the light for better photosynthesis
the stem bends to the sides because there are smaller cells on sides
the stem grows upward because Larger cells are growing
Answer:
The stem moves toward the light for better photosynthesis.
Explanation:
I also took this quiz and got this answer
What will happen to the parts of the cricket as it travels through the digestive system?
Are there any concerns about certain people consuming crickets?
Answer:
it would be broken down
Explanation:
the digestive systems purpose is to break down food into energy
As the food goes from the very first part of the digestive system it reaches the last part as in its most digested form. The situation is possible because of the digestion.
What is the very first organ of digestive system ?It is the mouth that is solely making enough of digestion as it contains the amylase which is responsible for the digestion of starch.
As the food reaches the mouth it gets mixed with saliva which makes it easier to get break into and the food in this condition is called as bolus where the food will enter into the esophagus that is the food pipe via the peristalsis where the inward and outward movement of food pipe makes it enter the stomach.
In stomach the process of churning takes place where it gets mixed with the digestive juices and the food mixing with the digestive juices breaks into its simpler constituents.
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List several functions of G protein-coupled receptors
Answer:
A novel GPCR role in regulating cell density sensing. Homeostasis modulation (e.g., water balance). Involved in growth and metastasis of some types of tumors. Used in the endocrine system for peptide and amino-acid derivative hormones that bind to GCPRs on the cell membrane of a target cell.
Blood:
A
Is pumped from the heart into the veins
B
Enters the right atrium from the lungs
C
travel to the body systems from the left ventricle
D
Is not involved in temperature control
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whats a fossil and describe how fossils are formed
Answer:
I agree with the other person
Explanation:
