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lorasvet [3.4K]
3 years ago
6

What was Edwin Hubble's contribution to the field of astronomy?

Biology
1 answer:
erastova [34]3 years ago
3 0

Answer:

B he proved that the heliocéntrico model accurately described tour solar system

Explanation:

des

i think

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D.  Predators

Predators keep populations of other species in check.  This was pretty clearly demonstrated in Yellowstone National Park after the wolves were eradicated there.  The deer populations increased to the point that the aspen trees nearly disappeared due to the saplings' being eaten by deer.  Since the reintroduction of wolves to the park, the aspen trees have begun to flourish once again.

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