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yanalaym [24]
3 years ago
14

What was the major contributor of oxygen to earth's early atmosphere ?

Biology
2 answers:
djyliett [7]3 years ago
7 0
The answer is A) photosynthesis
skelet666 [1.2K]3 years ago
6 0
I this the answer is B
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Three reasons why photosynthesis is important to living organisms<br>​
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Answer:

(Have a nice day)

¶Emma Jess¶

Explanation:

The main source of food on Earth.

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Without photosynthesis there not will be any oxygen on Earth. Oxygen is the most important survive of living beings..

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3 years ago
During cellular respiration the largest amount of ATP is generated in
Degger [83]
The electron transport chain of the cellular respiration process produces maximum ATP.

There are three parts of cellular respiration:

Glycolysis, which produces 2 ATP.
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3 years ago
There are more species of _____ than of any other type<br> ofanima.
zlopas [31]

Answer:

The correct answer is - beetles ( coleoptera) that belongs to the arthropods.

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The maximum numbers of known species in the U.S. are categorize into 4 distinct order coeloptera of the phylum of arthropods are-

Coleoptera (beetles) - 23,700

Diptera (flies) - 19,600,

Hymenoptera (ants, bees, wasps) - 17,500, and

Lepidoptera (moths and butterflies) - 11,500.

Thus, the correct answer is - beetles ( coleoptera) that belongs to the arthropods.

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4 years ago
Which are examples of negative feedback? Select three options.
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Need a picture please
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