Which is NOT a disadvantage of coal mining?
A. black lung disease
B. dioxin pollution
C. acid deposition
D. acid mine drainage
Answer: B
You might also like to view...
All the following traits show genetic variation in humans except
A. hair color. B. neck length. C. hair length. D. eye color.
Compared to a globe, Greenland would appear on a Mercator Projection as
A) in the opposite hemisphere. B) relatively small as compared to Africa. C) relatively large as compared to Africa. D) possessing much more topographical features. E) exactly the same relative size to the other land masses.
What city in Texas was the port of entry for thousands of immigrants to the United States starting in the 1840s?
A) Houston B) Galveston C) Corpus Christi D) Port Lavaca
The number of waves passing a fixed point in 1 second is known as the
A) Kelvin. B) electromagnetic spectrum. C) wavelength. D) frequency.