How old are the oldest rocks on the ocean floor?

a. less than 200 million years old

b. approximately one billion years old

c. approximately 500 million years old

d. between 200 and 500 million years old

7Which behavior does not contribute to the problem of desertification in Africa? •Increase in dry and hot climate conditions •Over consumption of plants by livestock •Frequent chopping down of trees •Elimination of rain dance rituals by African

Why do p waves bed when they travel

What are two important properties of air masses?

What landform is produced by tension?

A polyglot is a map of language distribution. True or False

What is the specific location of cyprus

Good explanation of what an earthquake is

Most central american volcanoes are located along a stretch known as the ring of fire. a. True b. False

One characteristic of mass wasting processes is that they Select one: a. move materials very slowly. b. move materials relatively short distances compared to streams. c. only operate on steep slopes. d.

What happened at bull run