Answer:
B. Semiarid
Explanation:
I am confident this is the answer, hope I helped.
Answer:
Explanation:
Gravity is an attractive force that acts on every particle of matter in the universe. The strength of the attraction depends on distance and mass however. If they're close enough, two particles of cosmic dust will gravitate toward each other. Meanwhile, the gravitational force of a planet will pull on objects much farther away.
Answer:
Correct answer is A. Asia and Africa
Explanation:
It is estimated that in this period more than half population lived only in Asia, therefore A is the only correct answer.
Those percentage are going from 65 up to 70 percent. In the same time Africa had around 10 percent of world population.
Europe had up to 20 percent of world population, while Americas had only around 2 percent.
Oceania had less than one percent.
Answer: Great Britian
Explanation: 1830s and '40s.
The Rift Valley was formed by violent subterranean forces that tore apart the earth's crust.
