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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10 "Indiscriminately from the Skies".

Multiple Choice Questions

1. What group of substances includes insecticides and pesticides?
(a) Helpful mixtures
(b) Organic cleaners
(c) Necessary evils
(d) Toxic chemicals

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

3. Humans __________ plants when an an immediate use is not obvious for a plant.
(a) Move
(b) Eat
(c) Destroy
(d) Test

4. Spring begins in the United States with the once-familiar ___________.
(a) Storms
(b) Heavy rains
(c) Birdsong
(d) Temperature changes

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

Short Answer Questions

1. ______________ do not kill people or birds, although the US government said they did.

2. Herbicides can change the _________ of plants, making toxic plants more appealing to animals.

3. Throughout earth's history, living things have __________ with their environment but not changed it.

4. Fire ants' mounds actually serve to ________ the soil, which is a good thing.

5. Chemical insecticides and herbicides are challenging because they are _____________.

(see the answer key)

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