Human Events and the Environment (pretest) – Flashcards

Which of the following is not a way in which human events can change the Earth's surface? a. draining wetlands b. agriculture c. glacial melting d. pesticide use

What is the purpose of the Climate Friendly Farming Project? a. close down farms that do not follow climate friendly practices b. decrease the number of agricultural facilities by 1/3 in ten years c. create a database of climate friendly agricultural practices d. convert all farms to climate friendly practices

Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems? a. oil spills b. deforestation c. global warming d. pollution

Which of the following was an environmental consequence of the nuclear meltdown at Chernobyl? a. evacuation of Pripyat b. high levels of radiation c. increased CO2 levels d. none of the above

Which choice is an example of an effect of agricultural techniques on the environment? a. increased oxygen levels in a pond due to fertilizer runoff b. sediment accumulation in a lake near a farm c. soil compaction caused by tillage d. increased plant growth caused by application of herbicides

Dead zones in waterways can occur as the result of fertilizer runoff.

Degradates, unlike their parent compounds, are always completely harmless.

How can the practice of tillage be harmful to the overall environment? a. It can impact waterways through sedimentation and pollution. b. It is harmful to the soil that is tilled. c. Tillage decreases overall crop productivity. d. All of the above

What sometimes occurs when reclaimed water is used in agriculture? a. crop death b. overtillage c. pharmaceutical accumulation d. increased land use

Large-scale fires can lead to a decrease in atmospheric carbon dioxide.