________ 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
B
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What do the island chains of Hawaii, Tahiti, and Tristan da Cunha have in common?
A) They formed from hot spots. B) They are part of island arcs. C) They are part of an oceanic plateau.
Figure 2.5 Loss of nitrate ions (NO3?) from a deforested watershed in the Hubbard Brook Experimental Forest(Core Case Study, Figure 2.1, p. 30).
?
With reference to the accompanying figure, explain the significant difference that occurred between 1966 and 1970 in terms of the two lines representing the control watershed and the experimental watershed.
What will be an ideal response?
When applying the scientific method to investigating the atmosphere, scientists study
a. ?the chemistry and physics of water samples. b. ?the chemistry and physics of air. c. ?animal behavior in different climates. d. ?human behavior in different climates. e. ?the chemical composition of plants occurring in different climates.
Variations in Earth's orbit that influence long-term climate changes include ________
A) the shape of Earth's orbit (eccentricity) B) the tilt of Earth's axis of rotation (obliquity) C) the wobbling of Earth's axis of rotation (precession) D) eccentricity, obliquity and precession