A refrigerator delays the spoilage of food by
A. expanding the water found within microorganisms.
B. killing microorganisms.
C. slowing down the rate of chemical reactions within microorganisms.
D. diminishing the supply of oxygen to microorganisms.
Answer: C
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Greatest magnetic force acts on a current carrying wire when it
A. carries a very large current. B. carries large current and is perp C. is perpendicular to the magnetic field. D. none of the above
Which of the following statements applies to an easterly wave?
A. It moves from west to east. B. It has converging winds on its eastern side. C. It indicates a region of higher than average pressure. D. It may have showers and thunderstorms on its western side.
Since semi-deserts contain a lot of short grasses, they are also referred to as ________
Fill in the blank(s) with the appropriate word(s).
Which country does NOT contain a BS or BW climate?
a. Ecuador b. Saudi Arabia c. Australia d. United States