No entiendo, ¿podrías por favor elaborar?
Your answer is it protects the heart and lungs
All of the above is the answer
The freezing water would sink to the bottom and freeze the lake water from the bottom up.
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Geographic Isolation.Geographic isolation refers to a situation where a physical barrier such as a river or a mountain divides a population of species into two or more groups allowing each group to diverge along separate evolutionary paths. <span>
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