Teratogens ____.
A. are fatal to humans in low doses
B. cause birth defects
C. are irritating to the skin or lungs
D. cause infections
E. cause allergic reactions
Answer: B
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Warm air rises because faster moving molecules tend to move to regions of less
A. density. B. pressure. C. both of these D. none of the above
Which of the following occurs when a glass of water is surrounded by saturated air?
A. The water temperature slowly increases. B. The water level in the glass does not change. C. The water temperature slowly decreases. D. The water level in the glass slowly decreases.
0000 UTC Convert the following time from UTC to the indicated U.S. time zones:
Once an air mass forms, it will stay exactly the same as it travels over different land masses or water bodies
a. True b. False Indicate whether the statement is true or false