Question

Holes drilled several kilometers into Earth’s crust provide direct evidence about Earth’s interior in the form of _______.

Answer 1

Answer: Rock samples.

Explanation: Geologists studied and told us that the Earth's crust is composed of various chemicals, minerals, and rock samples. Even the chemicals and minerals are obtained from within the rock samples. Minerals are to rocks such as vegetables are to the salad. These minerals are extracted and processed by geologist and such rock which contains traces of minerals are called ores.