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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 21.

Multiple Choice Questions

1. What can be found at the source of a cholera epidemic?
(a) Rats.
(b) Open sewers.
(c) Terrorism.
(d) Poor refrigeration.

2. What do religions use to validate themselves?
(a) Mythology.
(b) Witch-burning.
(c) Prophecy.
(d) Hysteria.

3. What does the fortune-teller say to a client in Sagan's favorite cartoon?
(a) 'You will die soon.'
(b) 'You have been abducted by aliens.'
(c) 'You have nice hands.'
(d) 'You are very gullible.'

4. What did Carl see in a brooding storm cloud near Fiji?
(a) An apocalyptic vision.
(b) A terrifying monster.
(c) The Virgin Mary.
(d) A brooding storm.

5. What, more than likely, was the real craft that crashed in Roswell?
(a) A spy satellite.
(b) A spy aircraft.
(c) A spy balloon.
(d) A Russian aircraft.

Short Answer Questions

1. What must advertisers know?

2. Which branch of science cannot foretell the future?

3. How many Americans believe in reincarnation?

4. Witches were burned because the 'Church abhors ____________.'

5. What is the only field where things are known for certain?

(see the answer key)

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