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Nezavi [6.7K]
3 years ago
8

Starting billions of years ago, in what way did algae change the atmosphere of

Biology
2 answers:
docker41 [41]3 years ago
6 0

Answer:carbon dioxide was converted to oxygen

Explanation:

Jobisdone [24]3 years ago
5 0
In 1990 it change our atmosphere and it started growing on trees and other thing to
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What is the Advantages of boundaries of competence ethics
dimulka [17.4K]

Explanation:

The willingness to differentiate among possessing expertise and getting a serious level of respect is ethical competence. While applying policies to promote skill and qualifications to preparation and schooling for skilled careers, it is the phase outside technological competence that ethical competence must always be recognized.

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3 years ago
Nutrients are delivered and waste products are carried away from the cells of the posterior segment of the eye by blood vessels.
kolezko [41]

Answer:

The cells on the cornea are maintained by pheripheral vessels and surrounding fluids.

Explanation:

*- The capillaries of the limbus nourish the peripheral part of the cornea.

*- Tears supply of glucose in the tear film

*- Aqueous humor nourishing the outermost layers of the cornea the endothelium being a unicellular layer

6 0
3 years ago
Iodine is a yellowish solution. A starch solution is white. A starch solution turns purplish-black in the presence of iodine. If
cupoosta [38]

Answer:

The correct answer will be- the color change will be observed and the solution will turn purplish-black.

Explanation:

Iodine test is performed to test the presence of the carbohydrates mainly starch.

The iodine solution is chemically called potassium iodide which forms a yellow solution. The potassium iodide solution forms a complex with a starch solution which appears a purplish-black color which shows the presence of the carbohydrates.

In the given question, if we add the iodine solution to the beaker after a certain point of time then it will still form a complex with the starch and thus beaker solution will appear darker in color.

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3 years ago
In prokaryotes that carry out aerobic respiration, the ________ serves the same purpose as the inner mitochondrial membrane and
DENIUS [597]

Answer:

In prokaryotes that carry out aerobic respiration, the <u>plasma membrane</u> serves the same purpose as the inner mitochondrial membrane and the <u>cytoplasm</u> serves the same purpose as the mitochondrial matrix.

I'm sorry! I only know those two. I hope this helps anyway!

8 0
3 years ago
The cell membrane
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blood ell travil though out the steam

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im not smart

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