Equinoxes occur on about March 21 and September 22.

When can you see the Milky Way?

Why does the central United States from Texas to the Ohio Valley experience the greatest frequency of tornadoes on Earth?

Where on earth would you expect atmospheric pressure to be highest?

A steep continental shelf offshore of a coastal community will likely result in worse storm surge impacts than if the shelf were shallow. a. True b. False

How many mph must winds be going in order for a tropical storm to be a hurricane?

Which of the following factors was key to the formation of the first civilization in the Nile Valley? A. Nomads acquired more livestock to increase their wealth. B. The region experienced a surplus of food. C.

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