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hjlf
3 years ago
10

What allowed the earth’s atmosphere to increase in oxygen concentration?

Biology
1 answer:
Sophie [7]3 years ago
3 0

Answer:The answer is tiny organisms known as cyanobacteria, or blue-green algae.

Explanation:

These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and oxygen increase. Additionally, some sources you could use that I used to answer this question was

https://www.scientificamerican.com/article/origin-of-oxygen-in-atmosphere/

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Macth each description with the correct process
murzikaleks [220]

Answer:

Huh!!!Where is the question???..?

4 0
3 years ago
which of the following is true about the Earth’s layers? A The asthenosphere is the thickest of Earth’s layers. B All of the lay
nadya68 [22]

Answer:

The Earth's geosphere is divided into three chemical sections: The crust, composed almost entirely of light elements, like silicon. The mantle, which is 68% of the Earth's mass. The core, the innermost layer; it is composed of very dense elements, such as nickel and iron.

Explanation:

In Geosphere is the solid or mineral part of the Earth, consists of layers, from the outer crust down to the inner core, which have separated through density and temperature.

4 0
2 years ago
What is the relationship between diabetes, glucose in food, saliva, microvilli, blood transport of glucose, beta cells of pancre
kkurt [141]

Hi

There is an enzyme called amylase which is present is saliva and helps in the breaks down carbohydrates present in our food thereby converting it to glucose. When the glucose reach in body’s small intestines, there are some air ball like structures called microvilli that absorb the glucose the into the bloodstream.  

This glucose present in bloodstream triggers the beta cells present in the pancreas and stimulate the production insulin. As we know that, the diabetes in actual is the lack of insulin receptors or insulin. However, if there is glucose in the blood but enough amount of insulin is not present, it will limit the uptake of glucose and instead a part of kidney called glomerulus will take the glucose from blood stream. The kidney will ultimately filter out this glucose when the person will urinate. This causes wastage of body’s glucose and also causes organ and tissue damage to the person suffering from it.


Hope it help! :)


8 0
3 years ago
Received information is called a transduced signal because: _________.
Annette [7]

Answer:

The correct answer is - e. many different molecules form a signaling cascade.

Explanation:

Signal transduction is the number of events that take place inside the body of a human from the external atmosphere to transmitting a chemical or physical signal through a number of molecular events of signaling cascade.

The transmission of the particular chemical or physical signal is caused a sequence of phosphorylation events inside the cell it involves specific protein receptors and different types of molecules.

7 0
2 years ago
Then, _____
ozzi
Its either A or C but im sorry i dont know which one
5 0
2 years ago
Read 2 more answers
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