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Goshia [24]
3 years ago
6

The foundations of continents are made mostly of basalt a. True b. False

Biology
2 answers:
natulia [17]3 years ago
3 0
I think it is true. I hope it help! :)
steposvetlana [31]3 years ago
3 0

Answer:

a.True

Explanation:

Basalt is an extrusive igneous rock, solid and black. It is the most common type of rock in the earth's crust, and covers most of the ocean floor. The foundations of continents are made mostly of basalt. Basalt is formed by abundant dark minerals such as pyroxene and olivine, which make the basalt color gray or dark black.

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