________ have resulted in mass coral bleaching and ocean acidification (due to absorption of excess CO2), which destroy the coral in the Great Barrier Reef.
A) Too many divers and tourists
B) Rising sea temperatures
C) Bleach spilled from tankers off Australia's coast
D) Oil spilled from tankers in the Coral Sea
Question 2
Varanasi is a city at the crossroads of geography and religion because it is the location of the:
A) sacred Ganges River
B) library of Upanishads, the sacred Hindu writings
C) place where the Mohammed ascended to heaven
D) remains of St. Thomas