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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6 "Earth's Green Mantle".

Multiple Choice Questions

1. There is a disagreement among scientists about how much _______ can be safely stored in the body.
(a) DDT
(b) Arsenic
(c) Fat
(d) Water

2. Chemical insecticides and herbicides are challenging because they are _____________.
(a) Difficult to detect
(b) Sometimes safe
(c) Hidden from view
(d) Ignored

3. Plants growing in contaminated soil may carry the contaminants into their _____________.
(a) Chlorophyll
(b) Neighbor plants
(c) DNA
(d) Tissues

4. The Earth's soil is a ______________ of living creatures, all interdependent.
(a) City
(b) Nest
(c) Community
(d) Bed

5. Bacteria, fungi, and algae are the smallest organisms of Earth and they live in the ________.
(a) Soil
(b) Stones
(c) Water
(d) Air

Short Answer Questions

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

2. Attempts to control a particular ________ in Clear Lake, California resulted in massive bird death.

3. Plants and animals specifically ________ to live in whatever their environments are.

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

5. Farms and orchards do NOT include these trees, in Carson's description.

(see the answer key)

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