The oldest rocks in the earth's crust were once molte...
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called
granite
basalt
igneous rocks
sedimentary rocks
Correct answer is C
No explanation has been provided for this answer.
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