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
Options
A. granite
B. basalt
C. igneous rocks
D. sedimentary rocks
Correct Answer
igneous rocks
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1. The mean surface temperature of the sun is estimated to be of the prder of