Why might soils rich in organic matter not be fertile?a.Soil fertility comes from a balance of organic matter and other mineral nutrients.b.Large amounts of organic material make soil retain too little water.c.Soil fertility is a result of the inorganic minerals present.d.Soils rich in organic material are always highly fertile.
What percent of the trees cut down are used for something other than paper?a.35%b.45%c.55%d.65%
Which of the following is an example of a nonmetallic mineral?a.sulfurb.leadc.aluminumd.gold
Which type of mining is likely the least harmful to the environment?a.surface miningb.placer miningc.subsurface miningd.none of the above
Salinization increases the concentration of _______ in soil.a.plantsb.nutrientsc.saltd.water
How do trees improve water quality?a.Tree roots anchor soil in place, preventing runoff.b.Water is filtered as it passes through the root systems of trees.c.An adult tree can store nearly 250 gallons of water.d.All of the above
Which of the following is the most damaging method of soil remediation?a.soil excavation and disposalb.soil aerationc.heating and vapor extractiond.microbial digestion
Which of the following best explains why clear-cutting forests is more destructive than selectively cutting down trees in forests? a. Clear-cutting eliminates all trees leaving none behind to maintain soil fertility or house native animals. b. Clear-cutting places the land at greater risk for wildfires. c. Clear-cutting makes land more attractive for human development. d. Clear-cutting causes less soil erosion than selective cutting. Please select the best answer from the choices provided
How can zoning laws be beneficial to a city’s residents? a.They prevent new business development.b.They can prevent new development that would harm established residents.c.They limit the maximum height of buildings.d.They restrict who can live in a city.
Which of the following best describes the uses of private land?a.Private land cannot be used to operate businesses.b.After initial construction. the uses of private land do not change. c.It can be used for a variety of activities and businesses.d.None of the above.
Biological pest control involves _______. a. eliminating pests with pesticides b. using biological mechanisms to eliminate pests c. planting a new crop every year d. burning crops Please select the best answer from the choices provided
Which of the following cities has experienced more upward growth than urban sprawl?a.Los Angeles, Californiab.Bangkok, Thailandc.Tokyo, Japand.Jakarta, Indonesia
Which of the following regions has the highest population living in rural areas?a.Asiab.Africac.North Americad.Europe
Rainforests are not exclusively found near the equator.
The promotion of companies’ sustainably harvested rainforest products is intended to _______.a.produce cheaper productsb.promote overconsumptionc.give the company a competitive advantaged.produce more expensive products
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