Review for Ch. 1 - MSED 252

1. a.) Oceanography
b.) Geology
c.) Meteorology
d.) Astronomy

2. a.) Hydrosphere, a dynamic mass of water that is continually on the move, the combined water environment on earth.
b.) Atmosphere, the envelope of gases that contains the earth.
c.) Geosphere, the solid earth.
d.) Biosphere, all life on Earth.

3. The Earth is comprised of three different layers. The dense inner liquid sphere, the core, the high density rock middle sphere, the mantle, and the low density solid rock crust, which is the thinnest layer.