Stratospheric ozone depletion is currently most serious ________
A) over New Zealand and Australia
B) over the Arctic Ocean
C) over North America
D) over tropical latitudes
E) over the most populated and urbanized regions
A
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The main component of bleach is sodium hypochlorite, NaOCl, which consists of sodium ions, Na?, and hypochlorite ions, -OCl. What products are formed when this compound is reacted with the hydrochloric acid, HCl, of toilet bowl cleaner?
A. The products are NaCl, O2, and HClO2. B. The products are NaCl and HOCl. C. The products are NaOH, H2O, and Cl2. D. The products are NaOH, O2, and Cl2.
Given that in stable diols the two hydroxyl groups are not attached to the same carbon atom, which of the following is the molecular formula of a stable diol in which both alcohol functional groups are tertiary?
A) C3H8O2 B) C4H10O2 C) C5H12O2 D) C6H14O2
Sustainable development, ideally, improves living conditions
A. For the present generation B. As long as resources last C. For a few decades into the future D. For generations in the future E. For the entire current political administration
Australia and New Zealand are described as at the "opposite side of the world" from England. If London's centroid coordinates are 51.5O N 0.13O E, and the coordinates for Wellington, NZ are 41.3O S 174.8O E, we can conclude
A. that the statement is false since the antipode of London is in the Indian Ocean. B. that the statement is fairly accurate, but not precise. C. that Wellington really is the exact antipode of London. D. that if you dug a hole straight down from London, you would come out in China.