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

2. The _________ of Wyoming which supported many animal species were unintentionally killed, leading to massive animal death.
(a) Weeds
(b) Trees
(c) Sagebrush
(d) Willows

3. This kind of vegetable absorbs huge levels of poisons, which would have harmed humans if they had eaten the produce.
(a) Peppers
(b) Tomato
(c) Carrot
(d) Beans

4. Humankind is producing new ________ in the laboratory, though these used to be limited only to nature's actions.
(a) Chemicals
(b) DNA
(c) Wastes
(d) Plants

5. There is a widespread, critical shortage of ____________ across the globe.
(a) Water treatment
(b) Rain
(c) Filters
(d) Fresh water

Short Answer Questions

1. Large-scale, single-crop farming eliminates the _______________ that provided built in control of pests.

2. Much of the world's water is polluted by ________ from many sources.

3. Since the 1940s, more than 200 chemicals have been created for the purpose of _____________.

4. What is the name for chemicals that mix with other pollutants and substances in the water, producing unidentifiable results?

5. In ___________ in the 1950s, the chemical that appeared in the water had actually been created spontaneously by the interaction of other chemicals present.

(see the answer key)

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