Answer:
Radioactive energy.
Explanation:
Earth keeps a nearly steady temperature, because it makes heat in its interior. .l
The process by which Earth makes heat is called radioactive decay. It involves the disintegration of natural radioactive elements inside Earth – like uranium, for example.
Sources of this radioactive energy from the earth
1. the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust, and the
2 . primordial heat left over from the formation of Earth.
Earth's internal heat powers most geological processes and drives plate tectonics.
Due to poor medicine and nutrition most likely
Answer:
I would write how and why they developed and write about the thing they developed whatever it is
The answer is: A system of classes that were organized like a pyramid
Federalists, strong central government, regional states
