The amount of heat they are exposed to has a lot to do with the inferences and observations that they make on the density of the earth's core. The inner core is the most compact due to the fact that they have a lot of direct exposure to heat and the gravity of the earth pressung down on it. The inner core is less subjected to those conditions.
A lot of it is media bias. You won't hear this in school but Global Warming is a true but simple concept. Most of the arguments are between jobs that non-renewable energy gives us, and planet saving renewable energy.
Areas with mountains is the answer
Answer:
A. increased; Great Migration
Explanation:
When the migration began, 90 percent of all African-Americans were living in the South. By the time it was over, in the 1970s, 47 percent of all African-Americans were living in the North and West. A rural people had become urban, and a Southern people had spread themselves all over the nation.
Compasses, rock hammer, field books, hand lenses, maps,
