Answer:
From mud and clay to diamonds and coal, Earth’s crust is composed of igneous, metamorphic, and sedimentary rocks. The most abundant rocks in the crust are igneous, which are formed by the cooling of magma. Earth’s crust is rich in igneous rock s such as granite and basalt. Metamorphic rock s have undergone drastic changes due to heat and pressure.
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The evidence to support this is simply the existence of the Precambrian time period which is when the life on Earth was at a high percentage of just starting out. This time covers about 88 percent of the history of the Earth when it comes to the different forms of life that happened during this time. It was the prime for evolution.
