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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4 "Surface Waters and Underground Seas".

Multiple Choice Questions

1. What is not usable for drinking, irrigation, or industry?
(a) Frozen water
(b) Stream water
(c) Seawater
(d) Lake water

2. The majority of the Earth's surface is covered with __________.
(a) Water
(b) Birds
(c) Trees
(d) Land

3. Because animals are affected by chemicals, scientists are having a hard time finding uncontaminated animals to serve as _________ in experiments.
(a) Controls
(b) Examples
(c) Subjects
(d) Helpers

4. The town Carson describes _________ actually exist.
(a) Can
(b) Will
(c) Does not
(d) Does

5. What is plentiful in the streams, providing good fishing spots since early settler times?
(a) Insects
(b) Trout
(c) Guppies
(d) Eels

Short Answer Questions

1. How long can chemicals remain in the soil to which they are applied?

2. Humankind is producing new ________ in the laboratory, though these used to be limited only to nature's actions.

3. What lingers on the rooftops in Carson's description of the demise of the environment?

4. Life is able to adapt to environmental change over _____________, according to Carson.

5. What are so popular that tourists come to see them every year?

(see the answer key)

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