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adelina 88 [10]
4 years ago
11

What scientist invented echo-sounding devices for mapping the ocean floor?

Biology
1 answer:
Archy [21]4 years ago
6 0
I believe that would be Henry Hess.
Hope it helps!
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Plants and algae can produce their own food by harnessing solar energy. These organisms are referred to as producers because they generate their own food.

Thus, the correct option is A.

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