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.
The correct answer is C. Huang He
Explanation:
The Huang He civilization was a civilization that developed around the Yellow or Huang He river in China, it is believed this civilization began around 4000BC as in this zone people developed agriculture and then cities, because of this, this civilization is considered as one of the oldest civilizations in the world and the earliest civilization in the zone. Indeed, this civilization emerged before others including the Kush civilization that began in 591 BC in Egypt, the Hebrew civilization that began around 1400 BC in the Middle East and the Phoenicians that originated in 2500 BC in the Fertile Crescent. Thus, the civilization that was the earliest from the choices provided is the Huang He civilization.
Martin Luther King. It was his "I Have a Dream" speech.
Containment, this meant that the US knew it would not be able to turn a communist country to a democracy so they just tried to limit the number of countries in the USSR's sphere of influence.