The boundary between the troposphere and stratosphere is called:

a. thermopause.

b. mesopause.

c. stratopause.

d. tropopause.

What types of adaptations would be needed by organisms that live in a river

Why were Africa's problems NOT solved by independence? The multi-party system created more problems. The people were not united by country. The countries were not really politically free. Economic success brought political problems.

There are many different types of objects in the solar system which type of objects is the sun?

Which of these countries is currently going through rapid industrialization? A. Spain B. Japan C. China D. Germany

The troposphere is the lowest layer of earths atmosphere how does temperatures change with altered to in the troposphere.

Would u think that because we added tar and many other things over the years to the road our road levels would be lower and in the old days would be no fog because the clouds didn't go lower than they do now?

What factors are considered when determining a country's rate of natural increase

A b c or d which one is it

If sun lost all its energy what would happen to earth and its inhabitants

A bag contains 5 red marbles, 3 blue marbles, 7 yellow marbles, and 2 green marbles. Which ratio can be used to compare the yellow marbles to the blue marbles? A) 3 11 B) 3 7 C) 7 11 D) 7 3