A mass extinction event occurred about 200,000,000 years ago, in the late Triassic. Explain this number in the scientific notation.

Which area in the United States has the most thunderstorms

How is wind deflation different from wind abrsion?

What force makes cold water sink toward the ocean floor? a. global winds c. gravity b. the sun d. the Coriolis effect

Which of these is caused by a chemical change? A) The honey in a jar crystallizes and will no longer pour. B) The skin of a banana turns from green to yellow as it ripens. C) A box of powdered brown sugar turns into a solid brick over time.

Several times a year volcanoes erupt along the aleutian island chain in southern alaska. what geologic feature is responsible for these hazardous events?

How did the Mediterranean climate influence culture in the region? A. It reduced the dependence on agriculture. B. It prevented sea travel. C. It forced people to work harder. D. It created a common cuisine throughout the region.

What imaginary line cuts across the top of south america?

How does having a large lake or an ocean nearby affect the climate of an area?

In order to conquer Mexico, the Spanish

The climate of the United States can be best Described as. A. mostly arid B. mostly tundra C. Mostly Temperature D. Mostly tropical