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Autumn 2003 | Volume 26, Number 4 | Features

Everyday Science: A Quiz

1. What microorganisms live in the large intestine and help digest certain food and make vitamins?
A. E. coli
B. Amoebae
C. Salmonella
D. All of the above

2. What is the minimum wind speed for a tropical storm to be classified as a hurricane?
A. 63 mph
B. 74 mph
C. 96 mph
D. 156 mph

3. What is the function of ozone?
A. A bleach
B. A protection from ultraviolet rays
C. A deodorant
D. All of the above

4. How much power can an electrical power grid store at any given time?
A. 0 megawatts
B. 50,000 megawatts
C. 100,000 megawatts
D. 500,000 megawatts

5. The undifferentiated cells, or stem cells, in an embryo have the potential to become:
A. Muscles
B. Bones
C. Nerves
D. All of the above

Quiz Answers: 1. A; 2. B; 3. D; 4. A; 5. D

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