The fish in the lake at the local park are dying. A professor from the local college comes to investigate, and first she measures the dissolved oxygen because she wants to check for the ________
A) influence of acid precipitation
B) presence of heavy metals
C) presence of bacteria
D) possibility of eutrophication
E) aquatic biodiversity
D
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Which is the largest source of acid deposition?
A. coal burning power plants B. trees C. corn fields D. oceans
In the early days of its colonization, Britain used Australia as a
A) tourist destination. B) prison colony. C) plantation. D) source of natural resources. E) source of slaves.
The appeal of the Yucca Mountain disposal site is that it is in an area where no earthquakes have occurred for approximately 10,000 years.
Answer the following statement true (T) or false (F)
Tropical cyclones (aka hurricanes in the Atlantic) are intense low-pressure systems characterized by heavy rain and high winds. When a tropical cyclone passes an area, however, there are generally several days of clear, dry weather
Why might this occur? A) The cyclone has sucked up all the moist air around it, leaving dry air behind. B) The hurricane carries a cold front with it, which carries dry air. C) The spiral arms of the hurricane are storm fronts, and each carries descending air behind it. D) The cyclone must have an outflow aloft, which feeds descending air surrounding the storm.