Why did the ancient Egyptians build dams and channels?

to defend settlements from invasion

to make it easier to sail up the Nile

to better control flooding from the Nile

to enable people to cross the Nile to trade

Which of the following is NOT one of the main drivers for surface ocean currents? A. Ocean instability due to the vertical temperature profile of the top 100 meters B. Wind stress at the ocean surface C. The Coriolis effect

In some areas, when more than two plates interact in complex ways, these boundaries are called: A. Convergent boundaries B. Transform boundaries C. Plate boundary zones D. Divergent boundaries

Similarities in the human existence result in a shared, homogenous culture. As society changes, cultures may diverge and become distinct from one another. An example of this type of cultural divergence in the American experience is A.

Which of the following bodies of water opens to the Davis Strait? A. Baffin Bay B. the Yukon River C. the Labrador Sea D. the Pacific Ocean

Which of the following is not usually an effect of increased agricultural yields within a society? A. decreased trade with outside societies B. a growing population size C. increased technology and sophistication of settlements D.

Most U. S. beaches are shrinking or encroaching on the land rather than growing or moving seaward, so the land of the U. S. is getting smaller, not bigger.

On what continent would you find the place with a latitude of 20° n and a longitude of 0°

Which is associated with mid-ocean ridges? A. rift valleys B. volcanic structures C. extreme temperatures D. mountainous topography

What natural feature of Southeast Asia did Europeans remove to take advantage of the region's resources? plantations forests roadways rice paddies

A movement that starts from the bottom up rather than top down is called what