According to the graph's data for lead and MTBE use, from 1970 to 2000 lead emissions ________ and MTBE consumption _________.
a. declined nearly 100%; increased nearly 100%
b. declined nearly 50%; increased nearly 100%
c. declined nearly 100%; increased nearly 200%
d. declined nearly 200%; increased nearly 200%
Answer: c. declined nearly 100%; increased nearly 200%
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Answer the following statement true (T) or false (F)
The biggest shaking event is called "the earthquake," the smaller ones before it are known as foreshocks, and the smaller ones after it are called aftershocks.
Answer the following statement true (T) or false (F)
E-waste can be recycled to extract ____.
A. gold, rare earths, and other valuable metals B. carbon compounds C. enriched uranium D. organic solids E. personal identification information
The pressure belts tend to migrate with the sun; that is, they move northward in the summer and southward in the winter
Indicate whether the statement is true or false