Asteroids were recently formed by the collision and breakup of an object orbiting in the asteroid belt.

True / False.

By 2009, American car manufacturers were required to meet minimum fuel efficiency standards that increased the average miles per gallon to 27.5. By 2016, that standard will increase to 39 mpg. What effect will this have? A. increased air pollution B.

Hich country in Central Asia is able to practice dryland farming? a. Turkmenistan c. Kazakhstan b. Uzbekistan d. Kyrgyzstan

How does seafloor spreading fit into the idea that continents move about on Earth's surface?

What is the most visited city park in the us

On a topographic map, contour lines that are closer together indicate a. roads. b. forest. c. a steeper slope. d. a mountain top.

A body of water in which eutrophication has occurred?

Which is not an abundant natural resource found in Africa? 1) Diamonds 2) Palm oil 3) Coal 4) Farm land

In the rock cycle what happens when heat and pressure are applied to sedimentary rock without melting the rock

The sun is the primary gravitational force in the solar system because

What actions did glacial ice take as it shaped North America? Check all that apply. A. Shaped much of the landscape of New England B. Left large, visible striations in the rock C. Pushed sand as far south as Florida D. Carved out the Great Lakes