Scientists mapped the magnetic polarity of ocean floor on both sides of the ridge. They found that the pattern of strips of rock with the same polarity matched on both sides of the ridge. This showed that the ocean floor moves away from mid-ocean ridges as new rock forms.
There's a lot but some are coal, hydropower, wildlife, iron, others are like fish, molybdenum, diamonds, and potash.
It would be b., False. Antarctica is one of the coldest and South America is one of the wettest.