Algae produce about three-fourths of which gas on earth?

Answers

Answer 1

Answer:

Oxygen.

Explanation:


Related Questions

Sound travels fastest in matter that has relatively ______ densities.

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Answer:

low

Explanation:

What invertebrate animals are the ancestors of tetrapods

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Answer: sarcopterygians I believe

Explanation:

serotonin and norepinephrine levels in the the brain are altered by drugs like prozac and zoloft. these are known as

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Serotonin aids in mood regulation including all other functions. While norepinephrine helps stimulate the brain and increase energy and awareness.

Their levels in the brain are altered by drugs like prozac and zoloft and they are known as antidepressants.

Antidepressants like prozac and zoloft are known to be effective in treating some disorders including mood disorders and bipolar disorders.

They are able to do this through the regulation of the amount of these neurotransmitters (serotonin and norepinephrine) in the brain.

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Anyone know the answer????

Answers

Answer:

grass has most number of organisms



Read the statements below. Select the events that are triumphs of science.

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Science is known to have made regular people decide to work hard and dedicate themselves to solving a problem. The events that are triumphs of science are;

Regulating the cell cycle to fight cancer. Producing children with higher intelligence. Development of vaccines against disease. Transforming bacteria to produce biofuels. Genetically modifying crops to resist pests.

There have been the footprint of Science behind making Children smarter in music, chess, computer etc.

There are now cheaper and cleaner biofuels that is produced through genetic engineering to alter how some organisms process sugar.

Cell cycle checkpoints are very important to halt cell cycle increase in response to DNA damage, making time therefore for DNA repair.

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Read the statements below. Select the events that are triumphs of science. Regulating the cell cycle to fight cancer.

Producing children with higher intelligence. Development of vaccines against disease. Transforming bacteria to produce biofuels. Genetically modifying crops to resist pests. Understanding how molecules affect metabolism to fight obesity

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Thế giới sinh vật được phân chia thành những nhóm gì

Answers

Answer:

Vì thế sinh vật nhân thực được phân chia thành 3 nhóm chủ yếu là dị dưỡng (Animalia, Fungi, Protozoa) và 2 nhóm chủ yếu là quang hợp, (Plantae, bao gồm cả tảo đỏ, tảo lục và Chromista.

Science:Imagine that only half of the water vapor that the air can hold is actually in the air.

What is the relative humidity?


25%

50%

75%

100%

Answers

I think it D.100% because the air has reached its limit

Explain how carbon moves from one Earth System sphere to another

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Answer: Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.

DNA remains in the nucleus. mRNA can travel in and out of the nucleus. Explain how the function of DNA and mRNA differs.

Answers

Answer:

DNA molecules is a nucleic acid which carries genetic information for the synthesis of proteins that carry out various processes in all organisms and is found in the nucleus of a cell.

The mRNA is a type of RNA which carries the information from the DNA for protein synthesis. The mRNA moves from the nucleus to the cytoplasm to special organelles called ribosomes where proteins are synthesized.

Explanation:

Growing a new plant without a seed.
a.) binary fission
b.) regeneration
c.) budding
d.) vegetative propagation

Answers

Answer:

D.) Vegatative Propagation

Explanation:

I'm not sure if this is right but I tried my best.

Drag the correct reactants and products to each box to complete the equations.

Photosynthesis

GO2

Oxygen

1

db

Respiration

H20

G6H1206

ATP

Les Demy

H20

Oxygen

1

GO2

Energy

1:

GHOS

Answers

Answer:

Photosynthesis = Carbon Dioxide + Water -> Oxygen + Glucose

6CO2 + 6H2O -> 6O2 + C6H12O6

Respiration = Glucose + Oxygen -> Water + Carbon Dioxide

C6H12O6 + 6O2 -> 6H2O + 6CO2

Which large muscle is known as the "swimmer's muscle" because it pulls the arm downward and backward while rotating medially?

Answers

Answer:

c. Latissimus dorsi

Explanation: is correct

Which process occurs during the light-dependent reactions in photosynthesis?

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Explanation:

thanks for the points man :) yes sir

what process is shown below?

Answers

its A facilitated diffusion

Muscles that move the wrist and hand originate on which bone(s)?

Answers

Answer:

a. Humerus

Explanation: is correct

Muscles that move the wrist and hand originate on bone carpals. The correct option is d.

What are carpals?

The carpal bones are wrist bones that connect the distal portions of the forearm's radial and ulnar bones to the bases of the five metacarpal bones of the hand. There are eight carpal bones that are divided into two rows: proximal and distal.

The wrist is made up of eight tiny bones (carpal bones) and two large bones in the forearm — the radius and ulna. Each finger has one hand bone (metacarpal) and three finger bones (phalanges), but each thumb has one metacarpal bone and two phalanges.

The carpals are eight bones present in the wrist of the hand. It helps in moving the wrist, and it also attaches the hand to the wrist.

Therefore, the correct option is d, carpals.

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You had the reactants necessary for cellular respiration, so why did nothing happen?

Answers

You need enzymes found in the cytoplasm and mitochondria of cells in order to do the chemical reactions that change oxygen and glucose into sugar and energy.

The teacher provided enough sugar with oxygen, but nothing happened immediately because there was no enzyme in the surroundings that could catalyze the slow reaction and make carbon dioxide and water. Here the enzyme is absent.

What is glycolysis?

Glycolysis is a process of breaking down glucose and is the first step of cellular respiration, where sufficient energy is produced in the presence of oxygen. To produce energy for the cell, glycolysis requires a large number of enzymes to be carried out quickly.

Following glycolysis, the end product enters the citric acid cycle and the electron transport chain, where oxygen carries the final electron and carbon dioxide and water are released with ATP (energy). As the reaction is slow, enzymes act as catalysts and complete the reaction in a short time, but if this process is taken in the absence of the enzyme, then it will take years and years to complete.

Hence, without the presence of enzymes, the glucose and oxygen did not make carbon dioxide and water.

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Faris and his wife have normal skin color, but they both have a parent with albinism if
you know that albinism is a recessive trait. What is the probability that their first child
will have albinism?

Answers

Explanation:

If a man who's a carrier for albinism marries an albino what percentage of their children will be albinos, however if both parents carry the gene, there's a 1 in 4 chance that their child will have albinism and a 1 in 2 chance that their child will be a carrier. Carriers do not have albinism but can pass on the gene.

.
How does the skeleton function to store minerals?

Answers

Answer:

calcium and phosphorous,

Explanation:

which can given up if the body requires the minerals for others functions

20 points for Algae are important to the earth's supply of:________
hydrogen
oxygen
nitrogen
plzzzzzzzz

Answers

I’m almost positive the answer is oxygen
the answer is oxygen :)

Which two activities happen as the embryo grows?
A. The cells decrease in number.
B. The cells form new organisms.
C. The cells rearrange molecules.
D. The cells divide.


100 point better give me right anwser pleaseee

Answers

Answer:

The answers are b and d

Explanation:

Select the correct answer.
The images show two different types of Galapagos tortoises that scientists believe descended from the same species. The first type (left) are found on islands that have high vegetation and few grasses. The second type (right) are found on an island that has large amounts of grasses and low-lying shrubs. What explains the type of turtle found on the islands with high vegetation?

A.
The environment triggered a gene mutation in neck length in order to help the turtle survive.
B.
Mutations are random, so it is by chance that turtles with longer necks live on these islands.
C.
Turtles with genes for long necks had a better chance of surviving to reach reproductive age.
D.
Turtles with short necks completely lacked adaptations for finding food, so they died off.

Answers

Answer:

c

Explanation:

not sure

second time posting -- pls help! What are some possible genetic changes over time that can result from sexual selection?

Answers

Answer: Coat color, body structure changes, etc

Explanation: Any type of trait can come from sexual selection, most of the time the animalswith the best traits survive to pass on their trait. There are lots of answers to this question becuase anything benifical to the animal is most likely to be passed on.

Please help me

What is the thickest layer of the earth?

the crust?
the mantle?
the outer core?
The inner core?


ty!

Answers

I think it’s the outer core! I hope this is correct. Please let me know!

Answer:

core

The core is the thickest layer of the Earth, and the crust is relatively thin, compared to the other layers.

Explanation:

Suggest why the temperature of baby food must be controlled when the enzymes are added

Answers

Answer:

temperature plays an important role in biology as a way to regulate reactions.

Enzyme activity increases as temperature increases, and in turn increases the rate of the reaction. This also means activity decreases at colder temperatures.

15. Brown eyes (B) are dominant over blue eyes (b).
Using this example, explain how a child can have a
trait that neither parent expresses physically. Use a
Punnett Square to validate your answer.

Answers

Both parents have Bb Bb

      B        b

B     BB     Bb

b     Bb     bb

The child got little b, little b

What impact does electronegativity have on the polarity of the molecule?

Answers

Atoms that are high in EN tend to take electrons and atoms low in EN tend to give up electrons. So, higher electronegativity helps atoms take more control over shared electrons creating partial negative regions and partial positive regions which result in dipoles that cause polarity.

which activities of the body are controlled by the autonomic nervous system?

Answers

The autonomic nervous system controls internal body processes such as the following:

Blood pressure.

Heart and breathing rates.

Body temperature.

Digestion.

Metabolism (thus affecting body weight)

The balance of water. ...

The production of body fluids (saliva, sweat, and tears)

Urination.

Clayey soil is useful for growing plants because------

a) Water holding capacity in it is low

b) The percolation rate of water in it is high

c) It is rich in Humus​

Answers

Answer:

C.) It is rich in humus and very fertile

fertilization in humans usually takes place in the

Answers

Answer: here you go

Explanation:

Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.

_____ is found in ATP and cell membranes.

Answers

Answer:

Phosphorous

Explanation:

For people with options:

●Phospherous

●Nitrogen

●Carbon

●Oxygen

Phosphorus is found in both ATP and cell membrane. ATP is the Adenosine Triphosphate, it contains 3 phosphates whereas the cell membrane contains phospholipids which are made up of phosphates and lipid moieties.

What is Phospholipid?

Phospholipids are the groups of polar lipids which are made up of two fatty acids, a glycerol unit, and a phosphate group. These are esterified to form molecules such as choline, ethanolamine, inositol, etc.

Phospholipids help the body in accumulation of fats in the liver. It also helps in the transportation and removal of cholesterol from the cells.

ATP (adenosine triphosphate) is the primary energy currency of cells. It is the source of energy for use and storage at the cellular level. ATP is made up of a nitrogenous base- adenine, a ribose sugar, and three bonded phosphate groups.

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Other Questions
Help me with this math question please. What is the reason for #2?A by AAB GivenC Reflexive property D Vertical Angles People were polled on how many books they read the previous year. Initial survey results indicate that s= 18.1 books. Complete parts (a) through (d) below.(a) How many subjects are needed to estimate the mean number of books read the previous year within six books with 95%confidence?This 95% confidence level requires ____subjects. (Round up to the nearest subject.)(b) How many subjects are needed to estimate the mean number of books read the previous year within three books with 95% confidence?This 95% confidence level requires _____subjects. (Round up to the nearest subject.)(c) What effect does doubling the required accuracy have on the sample size?A.Doubling the required accuracy nearly quadruples the sample size.B.Doubling the required accuracy nearly halves the sample size.C.Doubling the required accuracy nearly quarters the sample size.D. Doubling the required accuracy nearly doubles the sample size.(d) How many subjects are needed to estimate the mean number of books read the previous year within four books with 99% confidence?This 99% confidence level requires _____ subjects. (Round up to the nearest subject.)This 99% confidence level requires ____subjects. (Round up to the nearestsubject.)Compare this result to part (a). How does increasing the level of confidence in the estimate affect sample size? Why is thisreasonable?A. Increasing the level of confidence increases the sample size required. For a fixed margin of error, greater confidence can be achieved with a smaller sample size.B. Increasing the level of confidence decreases the sample size required. For a fixed margin of error, greater confidence can be achieved with a larger sample size.C. Increasing the level of confidence decreases the sample size required. For a fixed margin of error, greater confidence can be achieved with a smaller sample size.D. Increasing the level of confidence increases the sample size required. For a fixed margin of error, greater confidence can be achieved with a larger sample size. Which theory of inheritance states that offspring have a mix ofcharacteristics of their parents?Biology Make an inference about why Black Hactcin didnt want the animals to see what he was making The theory of continental drift says: Order the side lengths AB, BC, and CA from least to greatest.(Note that the figure is not drawn to scale.) Select the correct text in the passage.In this excerpt from the Emancipation Proclamation, which phrase or sentence supports the claimthat President Lincoln did not want the slaves to take up arms against their former masters?I do order and declare that all persons held as slaves within said designated States and parts ofStates are, and henceforward shall be, free; and that the Executive Government of the United States,including the military and naval authorities thereof, will recognize and maintain the freedom of saidpersons.And I hereby enjoin upon the people so declared to be free to abstain from all violence, unless innecessary self-defense; and I recommend to them that, in all case when allowed, they labor faithfullyfor reasonable wages.And I further declare and make known that such persons of suitable condition will be received intothe armed service of the United States to garrison forts, positions, stations, and other places, and toman vessels of all sorts in said service.And upon this act, sincerely believed to be an act of justice, warranted by the Constitution uponmilitary necessity, I invoke the considerate judgment of mankind and the gracious favor of AlmightyGod. Read the excerpt from "At School."Practical job training was important. Many kids went directly from grammar school to special vocational schools sponsored by private agencies like the Children's Aid Society in New York City. The society operated separate trade schools for boys and girls. The courses offered reflected the kinds of jobs open to the students. For boys: shoemaking, printing, carpentry, sign painting, bookbinding, basketry, chair caning, janitorial work. For girls: cooking, sewing, embroidery, dressmaking, millinery, stenography, typewriting.Which best describes the structure of this paragraph?A compare and contrastB chronological orderC cause and effectd sequence of events The graph of the function y = -2x + 4 is shown below.If the line is translated 2 units up, which equation will bestdescribe the new line? how do you factor 3x^2-3x-90 The kidneys filter the blood by creating urine. The blood has to travel through these tissue cells to get into the kidney. There are lots of elastic tubes that the soon to be urine travels through while being filtered. The kidneys rely on blood pressure from the heart to move the liquid so lack muscle tissue. The kidneys do not control when you urinate as they simply pass the urine in to your bladder. Explain why the kidneys have each tissue listed below or why they dont have each tissue.Muscle Tissue :Epithelial Tissue :Nervous Tissue :Connective Tissue : what is an emergent ray How did the Jackson era transform American democracy? Y=-4(x+1)^2 -8 PLEASE HELP!! a lifeguard manager typically is responsible for which of the following associated with the emergency action plan 9) What is the final pressure in the container shown below after the valve is opened and the gases are allowedto flow? 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