Darwin's explanation for evolution was dependent on which scientific concept?
a: the ability of organisms to learn strike b: the significance of social behaviors to survival strike c: the existence of variations in a population d: the relationship between size and survival

The answer is the option C: the existence of variations in a population. Darwins theorized that the variations inside a population that led to an advantage that benefited the survival hat more changes to be passed to next generations, and so after many, many generations this variation produced a new spieces. This is the tha basis of the natural selection.

The answer is magnitude measures the effects of an earthquake on the area , while the intensity measures the strength of an earthquake.

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