Which of the following processes is not a part of the water cycle? a. evaporation b. condensation c. biomagnification d. precipitation

Which of the following processes is not used in a conventional method of water treatment? a. filtration b. coagulation c. aeration d. percolation

Which one of the following is not a part of the water cycle? a. precipitation b. condensation c. transpiration d. humidity

Which of the following is not an example of point-source pollution? a. oil that is escaping from a damaged tanker b. heavy metals that are leaching out of an underground mine c. water runoff from residential lawns d. untreated sewage that is accidentally released from a wastewater treatment plant

Which of these processes of the water cycle is a direct effect of the sun's energy? (A) formation of precipitation (B) runoff of water over soil (C) evaporation (D) seeping of water into soil

Use the following terms to create a concept map: Earth's surface, rivers, underground, fresh water, water table, 3 percent, and icecaps.

Which biogeochemical cycle does NOT involve a stage where the chemical enters the atmosphere? a. water cycle. b. carbon cycle. c. nitrogen cycle. d. phosphorus cycle

Where is most of Earth's water located?

For each pair of terms, explain how the meanings of the terms differ. surface water and groundwater

Which of the following processes is not directly involved in the hydrologic cycle?

(a) transpiration

(b) evaporation

(c) precipitation

(d) nitrification

(e) condensation

Which of the following pollutants causes artificial eutrophication? a. heavy metals from unlined landfills b. inorganic plant nutrients from wastewater and fertilizer runoff c. toxic chemicals from factories d. radioactive waste from nuclear power plants

Which of the following two cycles is the most closely related in their role in sustaining life?

A. carbon and nitrogen

B. water and nitrogen

C. carbon and oxygen

D. nitrogen and phosphorus

Which of the following processes is not involved in the water cycle? (1) condensation (2) nitrification (3) evaporation transpiration

Why are the oceans important to the water cycle? A. Oceans contain saltwater. B. The four major oceans are all joined. C. Most of Earth's water is contained in the oceans. D. Oceans cover more of Earth's surface area.