Answer:
I believe the answer is A.
<em>I apologize if I'm incorrect, please let me know if I am tough I'm pretty sure I'm right.</em>
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Variations are beneficial for the survival of the species. Populations of organisms fill well-defined places, or niches, in the ecosystem, using their ability to reproduce.However, if some variations were to be present in a few individuals in these populations, there would be some chance for them to survive.
The lake on titan was evaporated, it evaporated because at that time titan was going through summer.
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