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olga2289 [7]
3 years ago
9

WILL GIVE LOTS OF POINTS AND BRAINILIST PLEASE HELP

Biology
2 answers:
bekas [8.4K]3 years ago
6 0
Cyanobacteria which is a type of algae. It conducts photosynthesis and without it there may not have been life today because they didn't need oxygen to survive and in order to have oxygen there had to have been some form of life...
cupoosta [38]3 years ago
3 0
Bacteria is the organism that scientists believe was responsible for changing the composition of the early atmosphere. It changed the atmosphere by using energy from the Sun for photosynthesis, and released oxygen as a byproduct. The change on the atmosphere was so important because it added more oxygen to our atmosphere, which brings us to our current atmosphere composition of 21% oxygen and 78% nitrogen.

Hope this helps!
Please give brainliest:)
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PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.
user100 [1]

Answer:

The answer is D.

Explanation:

Only 11% of freshwater is in swamps, so option A is incorrect.

The groundwater on earth appears to be a fraction of the freshwater, so option B is incorrect.

We can see that only 3% of the Earth's water is freshwater, so option C is incorrect.

68.7% of Earth's freshwater is found in icecaps and glaciers, meaning it is the majority of Earth's freshwater. Therefore, option D is correct.

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2 years ago
How do you know that individual 1 is heterozygous for the trait
Akimi4 [234]
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3 0
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When a product fails to perform as warranted, this is called a) contractual liability. O b) product malfunction. c) malicious ma
RoseWind [281]

Answer:

d) breach of warranty

Explanation:

A theory for suing for damages caused by products is breach of warranty. This is a contract claim, and the purchaser of the product is claiming that the product failed to perform as warranted.

6 0
3 years ago
Cellular Process Explain How the Process Assists in Maintaining Homeostasis for each word
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IT IS B TRUST

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4 0
3 years ago
Read 2 more answers
Read the following scenario to answer the following question. An abundant and continual supply of ATP is necessary for all livin
Kobotan [32]

Answer: Carbon dioxide and also bring in more oxygen for supporting the aerobic metabolism

Explanation:

 The aerobic metabolism is one of the type of process in which the body basically helps in creating the energy in our body by the process of combustion of the fats and carbohydrates in the oxygen presence.

According to the given scenario, when we doing exercise the breath become more faster and at that specific time it is very important to expel the carbon dioxide and then inhale more oxygen for supporting the aerobic metabolism in the our body system.

 Therefore, The given answer is correct.      

3 0
3 years ago
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