The atmosphere contains the earth's .

The current is like a stream or river in the ocean true or false

Which mountain range separates georgia from russia? a. ural mountains b. carpathian mountains c. caucasus mountains d. siberia mountains

Which of the following factors is one of two that is usually most responsible for determining population growth? a. total number of people within a continent b. average number of people in a given area c. world's total population d. average weight of people in a given area