The equator, which divides the globe into two equal halves, is marked 0° Latitude
The greenhouse effect results in warmer temperatures near the surface. Why? Some of the energy is reradiated back toward the surface.
What activities of a man can help maintain balance in nature? Converting animal manure to fertilizers.
Why are coal, petroleum and natural gas considered fossil fuels if they were produced from plant and animal remains? It takes a very long time to produce them.