Answer:
Your answer is B). Massive stars undergo a supernova at the red giant phase.
En la luna llena se puede ver por completo la cara de la luna
The answer to this question would be D.) Permafrost prevents penetration of deep roots.
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Answer:
they use to live
Explanation:
As they breath out carbon dioxide the plants take in the carbon dioxide and make air with it. Animals also use air to do their day to day things like eat.