2. An increase of carbon dioxide in our atmosphere occured during the?
a) Industrial Revolution
b) Civil War
c) Space Age
d) Machine Revolution

3. The parent material produced by the weathering of a rock in place is called
a) Erosion
b) Alluvium
c) Residuum
d) Sedimentation

4. The broad term for all material swept out, sorted and deposited beyond the
glacial ice front by streams of melt water is called
Glacial Outwash
Glacial Beach Deposits
Glaciolacustrine deposits
Drumlins

5. Massachusetts was covered with glacial ice
25,000-30,000 years ago
9,000-10,000 years ago
18,000-20,000 years ago
12,000-14,000 years ago

6. A horizontal layer of soil that has distinct characteristics is called a
soil profile
soil layer
soil horizon
soil feature

7. This texture class when moist, will form a cast but crumble when touched
Sandy loam
silt loam
loam
sand

8. Raw undecomposed organic material in which the organic fibers constitute
almost all of the material is
Clay
Peat
Muck
Mucky peat

9. The removal of soil through the cutting of many small, conspicuous channels
that can not be obliterated by ordinary tillage is called
Gully erosion
Rill erosion
Sheet erosion
Accelerated erosion

10. Soils that have mostly grey colors in the upper B horizon and
thick accumulations of organic matter are
Hydric soils
Organic Soils
Hydrological soils
Fluvial soils