The Earth rumbles and a hiss of steam issues from the top of Mt Ruapehu. Are these two events related? Is the earthquake caused by the volcano? Or is the steam caused by the earthquake?
Tectonic plates
When Alfred Wegener first proposed the idea of continental drift (the precursor idea to plate tectonic theory), it didn’t quite explain the full story. While he correctly showed that Africa and South America fitted together, his model wasn’t able to explain the violent forces that occur around the Earth’scrust.
How much degress are they
Answer:
A. In polar ice caps
Explanation:
In ice caps and glaciers, over 68% of the earth's fresh water is found, and in groundwater, it is found only more than 30%. In the surface water of lakes, streams and swamps, we consider only about 0,3% of our fresh water.
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The answer is density, temperature, and salinity. These are the factors that makes a current that is 50 meter less deep. The other choices will create a higher amplitude of the current.
