How many millgrams (mg) are there in 1 microgram (mg)?

A) 1 x 10^- 6
B) 1 x 10^- 3
C) 1 x 10^3
D) 1 x 10^6


B

Environmental & Atmospheric Sciences

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A drop in temperature and dew point temperature accompanied by a wind direction shift indicates the passage of a: a. warm front

b. cold front. c. dryline. d. None of these choices.

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