• 2022-06-03 问题

    d) Plant trees, shrubs and ground cover to help anchor the soil and absorb groundwater. A: Aftershocks B: Fires C: Landslides D: Liquefaction E: Tsumanis

    d) Plant trees, shrubs and ground cover to help anchor the soil and absorb groundwater. A: Aftershocks B: Fires C: Landslides D: Liquefaction E: Tsumanis

  • 2022-05-29 问题

    According to a study finished in 2011, what percent of the groundwater in cities was polluted? A: Over 90 percent. B: 20 percent. C: 64 percent.

    According to a study finished in 2011, what percent of the groundwater in cities was polluted? A: Over 90 percent. B: 20 percent. C: 64 percent.

  • 2022-05-26 问题

    One of the biggest environmentla problems associated with landfills is the A: increase in disease organisms B: leachage groundwater contamination C: settling process D: partial degratation of waste E: addition of greenhouse gases

    One of the biggest environmentla problems associated with landfills is the A: increase in disease organisms B: leachage groundwater contamination C: settling process D: partial degratation of waste E: addition of greenhouse gases

  • 2022-06-07 问题

    Which of the following is NOT part of the hydrologic cycle? A: water moving into creeks and streams following a rainstorm B: water infiltrating into the soil and bedrock C: calcium carbonate dissolving in soil water and groundwater D: water evaporating from a lake

    Which of the following is NOT part of the hydrologic cycle? A: water moving into creeks and streams following a rainstorm B: water infiltrating into the soil and bedrock C: calcium carbonate dissolving in soil water and groundwater D: water evaporating from a lake

  • 2022-06-06 问题

    Why is Venice san sinking A: Because people only stop using underground water for industries on the mainland. B: Because people still make use of the underground water for all purposes. C: Because the use of groundwater far industries on the mainland has been stopped. D: Because people do not use the underground water any more.

    Why is Venice san sinking A: Because people only stop using underground water for industries on the mainland. B: Because people still make use of the underground water for all purposes. C: Because the use of groundwater far industries on the mainland has been stopped. D: Because people do not use the underground water any more.

  • 2022-05-27 问题

    Which of the following best describes the formation of “desert pavement”? A: alluvial fans are eroded to form inselbergs with flat, angular rocky surfaces B: runoff and deflation carry off the fine particles of silt and clay, leaving coarser particles behind C: groundwater in an alluvial fan evaporates, leaving behind a surface layer of hard-baked mud and boulders D: deflation removes the coarse fragments leaving behind a layer of fine sediment (loess and mud)

    Which of the following best describes the formation of “desert pavement”? A: alluvial fans are eroded to form inselbergs with flat, angular rocky surfaces B: runoff and deflation carry off the fine particles of silt and clay, leaving coarser particles behind C: groundwater in an alluvial fan evaporates, leaving behind a surface layer of hard-baked mud and boulders D: deflation removes the coarse fragments leaving behind a layer of fine sediment (loess and mud)

  • 1