What percentage of precipitation falling on the land becomes surface water, or runoff, and flows to the sea in river and stream channels?

Witch layer of the atmosphere has the most air pressure

The largest water surface on the earth is the world ocean, which is divided into four oceans. Which of the following is NOT one of them?

Should all water users face mandatory water restrictions during a drought?

Predict which major plate will move the most over the next five hundred years.

An event at a certain location is described below. Underwater tectonic plates move away from each other and create gaps through which hot molten rock rises up from Earth's mantle. This molten material solidifies as it cools.

Which state has four times as many cows as people?

How far north did Islam spread in 1600s

What might have happen in south Asia if the Mughal empire had not declined

Which term describes the rising of cold water from deeper layers to replace warmer surface water?

Can you find the population density of the largest city in germany?