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elixir [45]
2 years ago
5

Will earth run out of water?

Biology
2 answers:
yKpoI14uk [10]2 years ago
8 0
Not not until like 100m year
Kazeer [188]2 years ago
6 0

<u>While our globe may never run out of water as a whole</u>, it's crucial to realize that pure freshwater isn't always available where and when humans require it. In fact, only six countries contain half of the world's freshwater. Over a billion people do not have access to adequate safe, clean water. Water scarcity will afflict the entire planet by 2040 unless water use is significantly decreased. "If we keep doing what we're doing now, there will be no water by 2040."

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Which of the following is the best description of the events occuring during anaphase I of meiosis?
mote1985 [20]

Answer:

The best description of the events occurring during Ana-phase I of meiosis:

c. Homologous chromosomes randomly separate and migrate to opposite poles.

Explanation:

Meiosis:

It is such type of cell division that occur in animals, plants resulting in four daughter cells and each of daughter cell have the half number of chromosomes from the parent cell.

  • Anaphase is one of important phases of meiosis. The option a is incorrect as chromosomes go randomly to opposite poles.
  • The option b is incorrect as all of chromosomes inherited from mother and father goes randomly to opposite poles.
  • The option c is correct as it is the true description of anaphase I of meiosis.
  • The option d is incorrect as the sister chromatids don't separate rather they remain joined.

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C Is the answer! Good luck
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Both men and women have sex chromosomes. Men usually have one X and one Y chromosome, while women have two X's.

When an egg or sperm is made, it only gets one of the sex chromosomes from the parent. This means that women can only make eggs with an X chromosome. But men can make either X or Y sperm.

During fertilization, the sperm cells race toward the mother-to-be's egg cell. If a sperm with a Y beats all others, then the fetus will be XY. The pregnancy will result in a boy.

However, if a sperm with an X wins the race to the egg, then the fetus will be XX. The parents will have a baby girl.

Nearly everyone's chances are around 50% for having a boy and 50% for having a girl. And yet, we all know families that are all boys or all girls.
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