The winds that converge at the equator are called 

___________ are rivers of fast flowing air that form in the upper portion of the troposphere

Using the following chart, which material would heat up the fastest?

Winds will flow from regions of to regions of .

___________ connect points of equal pressure on a weather map.

The increased biological activity in the oceans along the western coastlines of the continents is due to:

Of the following organisms, which appeared first in the fossil record? In other words, which evolved first?

__________ occurs when the land’s surface elevation is lowered due to pumping groundwater from an aquifer.

What is the source of oxygen that comprises part of Earth’s current atmosphere?

Coarse-grained sediments, such as sand and gravel, are transported in a river as __________.