Examples of nonpoint sources of pollution include all of the following except
A. parking lots.
B. agricultural fields.
C. pipe discharging waste from a factory.
D. golf courses.
Answer: C
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A foundation wishes to promote sustainable agriculture and organic farming. A consultant suggests that the foundation may want to give money to researchers investigating ecological control of pests
As the foundation reviews grant proposals, they should give the most money to researchers wanting to learn more about A) natural relationships between pests, their host plants, predators, and the general environment. B) the specific nutritional requirements of the desired crops. C) differences between persistent and nonpersistent pesticides previously used in the region. D) biomagnification of pesticides used to control the pests.
The Beaufort wind scale measures wind speed
A) with an anemometer. B) by observed effects. C) using satellites. D) with a wind vane.
Which of the following correctly describes the relationship between the R,S system and the +/- system associated with optically active compounds?
A) All R enantiomers are (+). B) All S enantiomers are (+). C) No S enantiomers are (+), but some R enantiomers are (-). D) There is no general relationship between the R,S designations and the +/- designations.
A tsunami has a small wave height, travels rapidly, and is not noticed by people in boats.
Answer the following statement true (T) or false (F)