History, 03.12.2020 05:50 book0001

1. Plastics were developed and sold to be disposable. What does this mean? a. They are lightweight
b. They are toxic to the environment
c. They are cheap so they can be thrown away after being used once

2. What fraction of our plastic do we use only once and then throw away?

a. 1/10
b. 1⁄2
c. 1/100

3. The state of Michigan does not border the ocean, yet plastic litter from Michigan can end up in the Atlantic. How does this happen?

4. Large pieces of plastic, like old detergent bottles, are broken up into smaller pieces in the oceans. What causes large plastics to break into microplastics?
a. Ultraviolet light
b. Waves
c. Salt
d. All of the above

5. Microplastics are “poison pills” because they:

a. Absorb toxins from the ocean
b. Provide no nutritional value
c. Are made from hydrocarbons, which are toxic

6. Phthalates are hormone disruptors that are commonly found in plastics. They interfere with:
a. growth
b. metabolism
c. reproduction
d. early development
e. all of the above

Answers: 3

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1. Plastics were developed and sold to be disposable. What does this mean? a. They are lightweight...

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