What happens to a barrier island as sea level rises?
a. ?It erodes away and disappears.
b. ?It shifts seaward.
c. ?It shifts landward.
d. ?The wind picks up its sand to create dunes where the barrier island once was.
e. ?The impact of the sea level on a barrier island in negligible.
ANSWER: c
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Which of the following characterize sustainable agriculture?
A. Promoting monoculture, use of organic fertilizers, and conserving topsoil B. Lack of need of substantial fossil fuels, maintaining current aquaculture, and using organic fertilizers C. Conserving topsoil, using of organic fertilizers, and lessening the use of genetically engineered crops D. Maintaining current aquaculture, using of organic fertilizers, and promoting monoculture E. Promoting monoculture, lessening the use of genetically engineered crops, and using organic fertilizers
Why does the latent heat of vaporization require so much heat energy?
A) The energy is needed to break the strong covalent bonds. B) The energy is required to stabilize bond vibrations. C) The energy is used to break the hydrogen bonds. D) All of these choices.
________ have the most dynamic and changeable day-to-day weather on Earth
A) Tropical latitudes B) Latitudes affected by fronts C) Polar latitudes D) Latitudes affected by hurricanes E) Air mass source regions
Environmental damage from industry or land development has traditionally been labeled as ________ by economists.
- steady state economics - ecosystem services - greenwashing - external costs - free riders