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jeka94
3 years ago
7

What are two of the things human ancestors used the sky for?

Biology
1 answer:
melisa1 [442]3 years ago
3 0

Answer:

Explanation:I know Th at one of the reasons is that they would look at the sun to tell time.

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Which of the following is the term for an abnormally low white blood cell count?
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The correct answer is- Leukopenia

Explanation:

White blood cells are present in our blood which protect our body from foreign antigens like bacteria, viruses, etc. When these white blood cells decrease abnormally in number then this condition is called leukopenia.

White blood cells contain different cell which protect our body from different type of infections. So there are different types of leukopenia according to the particular white blood cell whose number became low.

For example when neutrophils number in the body decrease it is called neutropenia. So the correct answer is leukopenia.

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Which type of fossil contains little or no organic material
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