Nucleus control the cell and its genetic material
When the gametes join they form a cell<span> called a zygote. </span>Human<span> sperm and eggs</span>contain<span> 23 </span>chromosomes<span>. </span>Human<span> zygotes </span>contain 46 chromosomes. The type ofcell<span> division that produces gametes with half the normal </span>chromosome<span> number is called </span>meiosis<span>.
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Answer:
Examples of nonrenewable resources include crude oil, natural gas, coal, and uranium. These are all resources that are processed into products that can be used commercially.
Explanation:
For example, the fossil fuel industry extracts crude oil from the ground and converts it to gasoline.
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Answer: The upper chamber is called an atrium, or auricle, and the lower chamber is called a ventricle. The two atria act as receiving chambers for blood entering the heart; the more muscular ventricles pump the blood out of the heart.