<span>Selective breeding is the process of breeding plants and animals for particular traits.</span>
Biological diversity. It studies all living organisms and how they interact with each other and their environment.
Calcium is few of the main sources for healthy bones, teeth, and muscles.
Answer:
The flow of heat from Earth's interior to the surface is estimated at 47±2 terawatts (TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust, and the primordial heat left over from the formation of Earth.