The cost of damage to building surfaces, monuments, and other structures caused by acid deposition is estimated to run into the ____ of dollars each year
a. thousands
b. hundreds of thousands
c. millions
d. billions
e. trillions
ANSWER: d
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Relative to ultraviolet waves, the wavelength of infrared waves is
A) shorter. B) longer. C) the same.
The eutrophication that has taken place in Chesapeake Bay, the Gulf of Mexico, and other locations appears to be due to ________
A) weather alone, because it is only obvious in the summer B) pesticide use along the waterways C) global warming from human use of fossil fuels D) excess nutrients from fertilizers E) heavy metals dumped in the sewage
Which one of the following applies to a valley glacier that lengthens (extends the position of its terminus downslope) over a period of many years?
A) wastage exceeds accumulation B) accumulation and wastage are about equal C) accumulation exceeds wastage D) none of the above
Why do tropical rainforests usually have poor soils?
What will be an ideal response?