Acid mine drainage can result from the oxidation of _____
a. pyrite (FeS2)
b. calcium carbonate (CaCO3)
c. phosphorus (P)
d. nitrogen (N)
e. quartz (SiO2)
a
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Which of the following locations would have the lowest specific humidity values in July due to the sinking motion of subtropical high pressure areas?
A) A
B) B
C) C
D) D
How did Georges’ structure change after it passed over Haiti and the
Dominican Republic? What will be an ideal response?
A chemist has two pure samples of an organic compound, one of which she obtained from a natural source, and one of which she synthesized in the lab. Which of the following properties can she use to determine which is the synthetic sample?
A) boiling point B) formula weight C) solubility D) none of these
Two useful indicators of overall health in a country or region are ____.
A. birth rate and death rate B. replacement-level fertility rate and total fertility rate C. life expectancy and death rate D. life expectancy and infant mortality rate E. population growth rate and death rate