Topic Test Answers

Which of the following large-scale environmental catastrophes has the least effect on aquatic ecosystems?a.oil spillsb.deforestationc.global warmingd.pollution

The use of _______ is expected to increase in the future.a.coalb.natural gasc.renewable energyd.all of the above

Pesticides are only found in rural watersheds associated with farming and agriculture.

Which of the following best explains how human activities can directly contribute to landslides? a. Removing plants from hillsides eliminates the root structures that anchor soil. b. Clearing trees from hills increases the frequency of rainstorms. c. Human activities tend to reduce the risk of fires. d. Landslides are not impacted by human activities. Please select the best answer from the choices provided

Renewable energy sources account for the majority of energy production.