Oceans and Seas
Over 70% of planet earth is taken up by the various oceans and seas. The salt in the water is due to the minerals from all of the rock forms that have decayed over millions of years. Every imaginable weather and climate condition can be found in oceans and seas around the world. The depths of the ocean have seen temperatures that range from … Keep Reading → arctic cold conditions to heat approaching 1000 degrees Fahrenheit. Most of the life forms in the history of the world have lived in the oceans. The Pacific Ocean is the largest ocean in the world. It covers about 1/3 of the planet. The Arctic Ocean, which is located near the North Pole, is the smallest ocean on the planet. Seas are similar to oceans but much smaller. The largest sea is the Mediterranean Sea, which is about 1/5 the size of the smallest ocean. Seas are generally closer to land and much shallower than oceans. Because the floor of the seas is much closer to sunlight than the oceans it is easier for life to form at the bottom of the sea.
