Loess is important because it:
a. is an important source of building material.
b. is rich in important ore deposits.
c. sometimes contains petroleum.
d. makes fertile soil.
e. is an important source of groundw
D
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The Chesapeake Bay Foundation
A) is trying to prevent further damage to the Bay from global climate change. B) seeks to restore Bay productivity, threatened by pollution from upstream watershed areas. C) advocates keeping the Bay as a permanent no-fishing zone. D) has introduced nitrogen and phosphorus-based fertilizers to boost plant productivity.
The temperature above which a material loses its magnetization is called the ________
A) hot spot B) Curie point C) fracture zone D) Darcy temperature
Aerosols are
A. The principal gas involved in global warming B. Gases produced by industry C. Tiny particles and droplets suspended in the air D. Tiny droplets of a very specific chemical composition E. The principal gas involved in the greenhouse effect
A maritime climate is characterized by
A) mild winters. B) hot summers. C) cold winters. D) mild summers. E) mild summers and mild winters