Climatologists warn of a tipping point when global temperatures trigger unavoidable catastrophic events and sea levels rise more than 25 feet. What single event would cause the sea level to rise that much?
A) Increased precipitation over the continents
B) Melting of the Greenland Ice Sheet
C) Thermal expansion of the oceans
D) Melting of the polar ice caps
Question 2
The total allowable catch of a marine fish used for human food would be determined by calculating the
A) maximum sustainable yield.
B) minimum sustainable yield.
C) maximum consumptive use.
D) carrying capacity of all species in the environment.