The approximate average ocean depth along the continental shelves bordering North America is 3958m. The average depth of the continental shelf, however, is 200m
Wind carries heat, moisture, pollutants, and pollen to new areas. Many daily weather patterns depend on wind. A coastal region, for instance, undergoes changes in wind direction daily. The sun heats the land more quickly than the water.
This week marks the 81st anniversary of the death of the last known thylacine in Hobart’s Beaumaris Zoo, but “sightings”, videos, rumours and research are alive and well.
<span>the magnetic compass and gunpowder</span>