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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5 "Realms of the Soil".

Multiple Choice Questions

1. How long can chemicals remain in the soil to which they are applied?
(a) 1 month
(b) 1 year
(c) 12 years
(d) A few days

2. Large-scale, single-crop farming eliminates the _______________ that provided built in control of pests.
(a) Possibility
(b) Regulation
(c) Chemicals
(d) Biodiversity

3. There is evidence that chemicals travel via ____________.
(a) Groundwater
(b) The air
(c) Animals
(d) Crops

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

5. Toxic substances work to stop the body's natural functions; some of them may cause __________ to begin growing.
(a) Arms
(b) Resistance
(c) Cancer cells
(d) Poisonous reactions

Short Answer Questions

1. What is used to pollinate the plants and to pollinate the trees?

2. There is a disagreement among scientists about how much _______ can be safely stored in the body.

3. What is the toxin which is released through nuclear explosion?

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

5. What is not usable for drinking, irrigation, or industry?

(see the answer key)

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