Environmental Science - Study Mode

[#816] An example of lotic system
Correct Answer

(B) River

Explanation

Solution: A Lotic Ecosystem has flowing waters. Examples include: creeks, streams, runs, rivers, springs, brooks and channels. A Lentic Ecosystem has still waters. Examples include: ponds, basin marshes, ditches, reservoirs, seeps, lakes, and vernal / ephemeral pools.

[#817] Oil spills are a source of pollution for
Correct Answer

(B) land and water

Explanation

Solution: Oceans are polluted by oil on a daily basis from oil spills, routine shipping, run-offs and dumping. Oil spills are a source of pollution for land and water.

[#818] Which of the processes is used to dispose the radioactive wastes?
Correct Answer

(D) vary based on activity

Explanation

Solution: Vary based on activity is used to dispose the radioactive wastes.

[#819] What is Plankton?
Correct Answer

(A) Microscopic floating organisms - Plants and animals.

Explanation

Solution: Plankton are the diverse collection of organisms that live in large bodies of water and are unable to swim against a current. The individual organisms constituting plankton are called plankters. They provide a crucial source of food to many small and large aquatic organisms, such as bivalves, fish and whales.

[#820] In summer, humid regions typically have ________ daily temperature ranges and _______ maximum temperatures than drier regions.
Correct Answer

(A) Smaller, lower

Explanation

Solution: In summer, humid regions typically have smaller daily temperature ranges and lower maximum temperatures than drier regions.