Differentiation <span>is the process where materials separate into different layers due to density</span>
The sun warms the earth mainly at its surface.
Thermal energy inside the earth
ExpThe earth's core generates energy (thermal energy) because of the rotation of the earth and the reaction of radioactive materials, and then discharges it through the pores in the earth's crust, and these energy are used by the organism to become nutrients.lanation:
