Global climate models
A) are computer programs.
B) use numerical methods.
C) use physical laws.
D) all of the above
E) none of the above
D
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Which of the following is the best definition of an ecological deficit?
A. The number of open-access resources is lower than needed for a specific area B. The total ecological footprint of an area is greater than its biocapacity C. The per capita ecological footprint is greater than the ecosystem services D. The population of an area is growing without improving sustainability E. The ecological services in an area are lower than the natural capital available
Glaciers reshape Earth's surface because they
A. pluck rocks out of the ground, carry them away, and deposit them. B. move tectonic plates. C. contain enormous amounts of water. D. move slowly.
This unique group of plant fossils represents important evidence supporting plate
tectonics. a. Pangaea d. Cynognathus b. Gondwana e. Curie point c. Glossopteris flora
Buying used items at a garage sale is one environmentally friendly approach that represents a form of ________
A) reuse B) WTE disposal C) source reduction D) composting