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atroni [7]
2 years ago
11

What are the two outcomes for a proto star?

Physics
1 answer:
tino4ka555 [31]2 years ago
5 0

Answer:

Brown dwarf or main sequence star

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Stels [109]

Answer:

Photosynthesis

Explanation:

Studies about the time period of oxygen accumulation suggests that free oxygen was first produced by prokaryotic and then later by eukaryotic organisms in the ocean. These organisms carried out photosynthesis more efficiently, producing oxygen as a waste product.

The organism mainly responsible for this is known as cyanobacteria, or blue-green algae. These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and, oxygen.

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The history of Sir Isaac Newton’s study of gravity does which of the following?
ipn [44]

A. Illustrates how a theory becomes a law

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A ball is thrown horizontally from a 19 m -high building with a speed of 2.0 m/s . How far from the base of the building does th
bazaltina [42]
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With all his gear, Neil Armstrong weighed 360 pounds on Earth. When he landed on the Moon, he weighed 60 pounds. Why?
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At what conditions acceleration of a body is zero?​
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