The most common use of bioremediation has been to assist in the cleanup of ________
A) non-biodegradable chemicals
B) herbicide and pesticide over-application
C) PCBs
D) oil spills
E) heavy metal contamination sites
Answer: D
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According to the polar front theory,
A) midlatitude cyclones create fronts in the polar regions. B) midlatitude cyclones form in front of several large air masses. C) midlatitude cyclones form along a boundary separating polar air and warmer air to the south. D) midlatitude cyclones form along a boundary separating frigid Arctic air with slightly colder polar air.
List two problems scientists encounter as they attempt to divide the Earth into climatic zones
What will be an ideal response?
Which air mass does not usually influence weather in the United States during the summer?
A) cT B) mP C) cA D) cP
Floods only occur where human activities tamper with natural stream systems.
Answer the following statement true (T) or false (F)