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Keith_Richards [23]
3 years ago
11

What was the purpose of Project Mercury?

Biology
1 answer:
AleksAgata [21]3 years ago
8 0
The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
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Over population puts severe stress on the environment because​
IgorLugansk [536]

Answer:

It depletes resources until there are no longer enough to sustain the population

Explanation:

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3 years ago
Meiosis in males produces four identical sperm cells.<br> A. True<br><br> B. False
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Answer:

B. False

Explanation:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. These cells are our sex cells – sperm in males, eggs in females.

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At what temperature does sea ice form in the polar oceans? A. 0°C B. -0.5°C C. -1.9°C D. -2.4°C E. -32°C
goblinko [34]

The correct answer is - C. -1.9 C degrees.

The sea ice in the polar oceans needs little lower temperatures to start forming than what it would need if it was't forming on a saline water. The freshwater starts freezing as the temperature goes bellow 0 C degrees, but that is not the case with the saline water. The saline water, because of the salt that prevents the freezing to a certain point, needs temperature of -1.9 C degrees to start freezing. Once this temperature is reached, the salt can not prevent the freezing anymore, so the water on the polar oceans starts to freeze.

4 0
3 years ago
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2. Name a microbe that lacks a cell wall and would find hypotonic environments detrimental.
Alina [70]

Answer:

I so I am also a bit confused, but I hope this could answer your question!

Explanation:

The bacteria possess a cell wall composed of peptidoglycan molecule formed by the amino acids called murine.  The bacterial cell wall helps in the survival of the bacteria in some extreme condition like when placed in a hypotonic solution.

The hypotonic solution is formed when it has low solute concentration and high water amount when compared. When the bacterial cell will be placed in hypotonic solution then the water will move inside the cell down the concentration gradient as a result of which the bacterial cell will swell but will not burst.

This happens as the cell wall contains expansin protein which allows the cell wall to expand and provides rigidity to the cell.

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Which statement describe a relationship between protein/amino acids and heart disease??
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