Water Crossword Task One

All the area of land that drains into one main body of water
Large bodies of moving mass of ice/snow
A large lake used as a source of water supply
the natural warming of the Earth caused by gasses in the Earths atmosphere trapping heat.
very small hills with a distinctive teardrop shape. They are formed when a glacier goes over a moraine.
when parts of the glaciers melt. the melting water releases sand/gravel from the glacier. they make the pattern pf a winging river.
rocks/gravel the build up along the sides and at the end og the glacier.
water that collects pn the surface/the ground
action/state made impure by pollution or poisoning
the drainage away from water from the surface of an area/land