As the temperature of an object ____, the intensity of the radiation emitted by the object ____
A) increases; increases
B) increases; decreases
C) decreases; stays the same
D) decreases; increases
A
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Genetic resistance to antibiotics has
a. increased the spread of AIDS b. been a factor in the development of MRSA c. been favored by overuse of antibiotics d. two of these answers are correct e. all of these answers
Sound travels faster in
A) air. B) water. C) steel. D) a vacuum. E) about the same speed in all of the above
If increases in solar energy were causing global warming, the upper atmosphere would be:
A) cooler than the lower atmosphere. B) slightly warmer than the lower atmosphere. C) significantly warmer than the lower atmosphere. D) the same temperature as the lower atmosphere.
The discovery of what resource near Butte, Montana caused a huge boom in the region in the 1880s and 1890s?
A) Oil B) Coal C) Precious metals D) Uranium