Answer: The contracting cloud is then called a protostar. A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts.
Explanation:
My answer would be cellular respiration.
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Answer: They help control what enters and leaves the cell.
Explanation: carbohydrates also help the immune system identify if the cell is foreign or not.
Answer: b
Explanation: asexual have identical offspring sexual will have different/unique offspring which means they won’t be the exact same.