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This quiz consists of 5 multiple choice and 5 short answer questions through Part 6, Chapter 29.

Multiple Choice Questions

1. What percentage of all existing water is fresh water?
(a) 3.
(b) 23.
(c) 17.
(d) 10.

2. Earth is composed of 8 to 12 larger plates and about how many smaller ones?
(a) Twenty.
(b) Eighty.
(c) One hundred.
(d) Five.

3. With scientists having found so many dinosaur bones by the dawn of the twentieth century, what did they conclude about the age of Earth?
(a) It has to be much older than 20 million years.
(b) Nobody will ever figure out its age.
(c) It is hundreds of billions of years old.
(d) It is no older than 5 million years.

4. What organization opposed geologist Clair Patterson and his campaign?
(a) American Petroleum Institute.
(b) Swimming Pool Safety Institute.
(c) American Dairy Association.
(d) American Academy of Pediatrics.

5. With so many hominid species existing in the past, why did only one survive?
(a) Nobody knows.
(b) Greater capacity for compassion.
(c) Climate change.
(d) Larger brain.

Short Answer Questions

1. In 1903, who won the Nobel Prize in physics for discovering radioactivity?

2. Quarks are held together by gluons and make up what?

3. What is a supernova?

4. The internal workings of cells are:

5. What did Carl Linnaeus develop that is still in wide use today?

(see the answer key)

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