Advantages of using microorganisms for mining include all of the following except reduced
a. land disturbance
b. air pollution
c. water pollution
d. time to remove minerals
e. water and air pollution
D
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Several consecutive years of cooler global temperatures can result from ____
a. emissions of carbon dioxide b. the eccentricity cycle c. emissions of methane d. volcanic eruptions e. the obliquity cycle
The wind chill index
A) fails to account for a human body's sensible heat loss and the potential warming effect of sunlight on the body B) accounts for a human body's sensible heat loss and also the potential warming effect of sunlight on the body C) accounts for a human body's sensible heat loss but not the potential warming effect of sunlight on the body. D) is always less than the temperature, even when there is no wind.
Which of the following European countries is predominantly Muslim?
A) Romania B) Poland C) Albania D) Bulgaria E) Hungary
Wet-rice cultivation needs to take place on flat land because
A) large-scale machinery is used. B) the fields are flooded part of the year. C) major highways are the main means to get the crop to market. D) hillside fields would erode.