Answer:
i hate getting questions like these
Explanation:
When a biologist counts the number of zebras in a population each year and notices an increase in the zebra population, this would be an example "of <span>observation"</span>
Answer:
A variety of adult stem cells can be found, but embryonic stem cells are derived from the three germ layers. The main difference between adult and embryonic stem cells is that adult stem cells are multipotent whereas embryonic stem cells are pluripotent.
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Explanation:
<u>Density</u> – The amount of matter in a given space. In scientific terms, density is the amount of mass in a unit of volume.
or
The amount of matter in a given amount of space is known as the <u>Density.</u>
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