Ow does the amount of carbon dioxide in the air in alaska today compare to the amount 200 years ago? it is about 30 percent more. it is about 30 percent less. it is about equal. it has nearly doubled.

What causes the cycle of seasons on earth? the tilt of earth’s axis the shape of earth’s orbit the direction of earth’s orbit the distance between earth and the sun

Where is the world’s shortest commercial runway?

What two advantages do the coastal countries of west africa have over the sahel countriesfertile soil and mineral resources temperatures and terrain human resources and natural resources weather patterns and location