GROUNDWATER is the largest source of freshwater on earth.
Erosion. Sand is carried across the land through deposition where during the process many rocks along the way are reshaped.
A man named Alfred Wegener proposed that all the continents were one, giant continent which he called Pangaea. He backed up this idea with evidence from other fossil remains. Fossils from animals native to a certain country were appearing on other countries from much further away.
