How long does marine life usually tend to recover from a crude oil spill?
a. 2 years
b. 5 years
c. 7 years
d. 10 years
ANS: B
Most organisms are able to recover after about a five year period from a crude oil spill. Refined oil
spills tend to be much more disruptive to communities than the crude oil. Information can be found in
the section Marine Pollutants May Be Natural or Human Generated.
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What agricultural system is sometimes referred to as "slash and burn"?
A) swidden B) plantation agriculture C) intensive subsistence D) rice cultivation E) commercial agriculture
What type of slope failure is shown in this figure?
A) Rotational slide
B) Creep
C) Debris slide
D) Debris flow
E) Rock fall
Many municipal water systems use a high water tower to
A) prevent pollution of the water. B) paint the town's initials. C) provide potential energy. D) get the water out of the ground.
The permanent removal of water from its source is known as consumptive use
Indicate whether the statement is true or false