AZ-ENVIRONMENTAL SCIENCE B-CR CUMULATIVE EXAM PRETEST QESTIONS AND ANSWERS GRADED 100%

AZ-ENVIRONMENTAL SCIENCE B-CR CUMULATIVE EXAM PRETEST QESTIONS AND ANSWERS GRADED 100% Human health is unaffected by environmental limiting factors. - -False Using water more efficiently _______. a. protects the environment b. causes the loss of natural pollution filters c. increases water contamination d. all of the above - -A. Which of the following is true concerning sources of water pollution? a. Mine wastes and heavy metals become water pollution through storm water runoff. b. Biodegradable materials like food, wood, and leaves are not considered pollution. c. Petroleum byproducts and fuels end up as pollution principally from oil spills. d. Pesticides and herbicides do not commonly become water pollutants. - -A. The trend of declining ecosystem resource availability and increasing demand for these resources can best be countered by _______. a. increasing the supply of ecosystem resources b. decreasing the demand for ecosystem resources c. applying sustainable development practices d. developing new technologies for resource collection - -C. National parks reduce the human impact on land by _______. a. permitting limited human development. b. cleaning up litter c. preventing human development d. preventing companies from polluting on public lands - -C. Changes to waterways will discontinue if human impacts on waterways cease. - -False Hedgerows have created a new ecosystem within Britain's _______. a. farms b. cities c. forests d. industrial areas - -A. Which of the following is not a reason that cane toads became an invasive species in Australia? a. They are poisonous to most animals. b. They are voracious predators. c. They have almost no natural predators. d. They are not well adapted to the Australian climate. - -D. Which of the following is(are) true concerning the 2004 tsunami in Indonesia? a. It had minimal human casualties. b. The tsunami waves were as high as 500 feet. c. It was triggered by magnitude 9.1 earthquake. d. All of the above - -C. The scientific community disagrees about _______. a. the rate of global climate change b. the occurrence of global warming c.