As a wave moves past a point in the ocean, water molecules move up and down as the wave goes by. They also move in another way - <span>B.They move in a circular motion.</span>
The approximate average ocean depth along the continental shelves bordering North America is 3958m. The average depth of the continental shelf, however, is 200m
1) Hunting: People can over-hunt a species killing too many of them too fast. 2) Global warming: A place can get to hot for them to survive their anymore like coral reefs for example. 3) Destruction of habitats: This can leave animals defenseless and open to attack.
