What is the current greatest threat to agricultural sustainability?a.erosionb.water pollutionc.air qualityd.all of the above
How do conservation tillage practices in agriculture benefit the soil?a.They increase soil erosion rates.b.They decrease water absorption.c.They decrease water storage.d.They increase soil nutrient levels.
Which of the following is not a way in which carbon sequestration can benefit soil?a.decreased erosionb.increased water qualityc.increased water storaged.increased soil quality
Which of the following is the most likely cause for future water shortages?a.global warmingb.increased agriculturec.water pollutiond.erosion
Energy sustainability can best be achieved by using ______.a.nonrenewable energy sourcesb.renewable energy sourcesc.carbon sequestrationd.recycled plastics
Which of the following is not a direct consequence of groundwater use?a.reduced water storageb.increased surface water levelsc.reduced river flowd.decreased spring discharge
The use of _______ is expected to increase in the future.a.coalb.natural gasc.renewable energyd.all of the above
How is the world population projected to change in the next few decades?a.It is projected to level off.b.It is projected to decrease steadily.c.It is projected to increase steadily.d.It is projected to double within 5 years.
Which of the following energy sources is expected to have the least growth in the next 20 years?a.hydroelectricityb.coalc.natural gasd.nonhydro renewables
A local farmer began to follow a more sustainable practice. As a result, his levels of carbon emissions decreased by fifty percent. The soil quality will most likely
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Natural Events and the Environment
Human Events and the Environment
Human Impact on the Environment