Platforms
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
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.
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 an example of a nonmetallic mineral?a.sulfurb.leadc.aluminumd.gold
The invention of the automobile contributed to the increase of urban sprawl
Long-term mineral extraction has no lasting consequences.
The main characteristic of a carbon sink is that _______.a.it emits no carbonb.it absorbs no carbonc.it emits more carbon than it absorbsd.it absorbs more carbon than it emits
Why is volcanic soil (andisol) very fertile?a.It is rich in minerals from volcanic deposits.b.It is a young soil with low water retention.c.It has been leached of mineral nutrients.d.Volcanic activity warms the soil.
Which of the following statements about forestry education is true?a.All educational facilities cover forestry to the same depth.b.Individuals can pursue doctorates in forestry in any state.c.Program focus will remain the same from state to state.d.Some states have greater access to forestry programs than others.
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
Soil composition is not subject to change.
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
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.
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
Unexpected consequences can result from human interference or manipulation of any sufficiently complicated natural system.
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Unit Test