Like surface water and groundwater, glaciers shape the land through erosion and deposition. Fill in the blanks to complete each statement about glaciers. Glaciers cause erosion by abrasion and . The sediment deposited by glaciers is called . When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a .

How do oceanographers measure the salinity of ocean water?

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.