All of the following issues involve environmental science except a. measuring smog levels in cities. b. asking people questions about the cost of various resources. c. studying the loss of plant and animal species. d. publishing the results of a study on fossil fuel depletion.

Why is terracing used in southeast asian agriculture?

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons

What id the primary human cause of the global warming a. storage of nuclear fuel rods b. burning of fossil fuels c. building of high-density housing d. violent conflicts over natural resources