Which water source is least useful to humans for drinking purposes?

A

groundwater

B. freshwater lakes

C.

rivers

D

oceans

When was India colonised by India? When did India gain back independence?

Tropical climates exist between which of the following latitudes? A 30° north and 30° south B 40° north and 40° south C 50° north and 50° south D 60° north and 60° south

Most of the people Latin America can trace ancestry back to these three groups. 1 - Native American 2 - European 3 - Australian 4 - Asian 5-American 6-African

Which hemisphere has the most major cites?

The corn belt is an example of what region?

How high does the earth's atmosphere extend? A. 100 m B. 1,000 m C. 10 km D. 100km

How to grow plants in space?

Based on this map of oil imports, which nation imported the greatest number of oil barrels each day in the years before 2006? A. China B. Australia C. Canada D. the United States

How far will a P-wave travel in 9 min 20 sec?

The land in Mexico City is sinking. What is the primary cause of this problem? A. deforestation caused by cutting down trees B. too much water being taken from underground aquifers C. too many offices and towers being built in the city D.