29. Most of the fresh water on eart h is present in the form of a. ice caps and

Question

29. Most of the fresh water on eart h is present in the form of a. ice caps and glaciers b. water in rivers c. water in lakes d. groundwater 30. Stri p mining for coal a. does not require the removal of topsoil. b. can result in acid drainage. c. requires the digging of deep shafts. d. all of the above 31. In a water treatment plant, chlorination removes phosphorus and nitrogen. kills disease-causing organisms, uses aerobic microorganisms to decompose organic wastes. removes suspended particles. a. b. c. d. 32. Which of the following activities is the largest source of the increase in carbon dioxide levels in the atmosphere? a. Deforestation b. Acid deposition c. Agriculture d. Burning of fossil fuels 33. Which statement most accurately describes the current state of Carbon Capture and Storage (CCS) technology for use in coal power plants? CCS technology is not yet ready for testing in power plants. CCS technology has been tested many times and was found to be inadequate for meeting current capture and storage need. CCS technology is being tested on a small scale. CCS technology is ready to be implemented on a large scale. a. b. c. d. 34. Which of the following climate change policies would be most beneficial to developing nations? a. b. c. d. tradable permits distributed based on global average per capita emissions command and control emissions limits that are the same for all nations a carbon tax that is the same for all nations command and control efficiency standards that are the same for all nations 35. Which of the following is/are advantages of fission nuclear power? Select all correct answers a. It emits little carbon dioxide. b. The technology is readiy available to most nations. c. It is based on a renewable resource d. It produces little waste

Explanation / Answer

29.
(a) glaciers and ice

Very small amount (about 1%) of fresh water is accessible and rest are trapped in glaciers.

30.(b) can result in acid drainage

heavy metal, minerals dissolve in mine wastev water and can lead to acid mine drainage.

31.(b) kills disease causing micro organisms.

chlorinatination inactivates the pathogens causing diseases.

32.(d) buring of fossil fuels

Mainly leads to increase due to burning of fossil fuels.

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