The air temperature is 40°F. The wind is blowing 20 miles per hour. Which of the following temperatures might be the effective temperature to your body under these conditions (assuming your are not wearing clothes)?
A) -40°F
B) 40°F
C) 30°F
D) This question cannot be answered with the information given.
C
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Which of the following instruments most likely contains alcohol?
A. minimum thermometer B. maximum thermometer C. bimetallic thermometer D. thermograph
Which of the following statements most accurately characterizes Northern Europe?
A. most countries in the region have GDP per capita figures lower than the European average. B. unlike the remainder of western Europe, this region has very little industry, and is entirely dependent on fishing and agriculture to support economic growth. C. many of these countries have been reluctant historically to join international organizations, due to long traditions of neutrality. D. the population in all the countries of the region, except for Sweden, have relatively low levels of education.
A rock is thrown vertically into the air. At the very top of its trajectory, the net force on it is
A) less than its weight. B) more than its weight. C) its weight.
Of the four most abundant gases in our atmosphere, water vapor shows the greatest variation at Earth’s surface?
a. True b. False