<span>cells are the units of structure and different functions in livings things
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Answer:
nuclear <u>fussion</u> occurs in star's core that combines elements to make BIGGER elements.
Explanation:
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The Ovaries produce hormones, that trigger menstruation. They also release one egg each month for possible fertilization.
Answer:
If an atom has an equal number of protons and electrons, its net charge is 0. If it gains an extra electron, it becomes negatively charged and is known as an anion. If it loses an electron, it becomes positively charged and is known as a cation.
Explanation:
