In which of the following states has a tornado never occurred?
a. Alaska
b. Hawaii
c. Maine
d. North Dakota
e. tornadoes have occurred in every state
ANSWER: e
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The air inside a room is at a temperature of 70°F and has a mixing ratio of 7.6 g/kg. After reaching saturation, if the temperature of the room continues to decrease for one more hour, how many grams of water vapor (per kg of air) will have had to condense out of the air to maintain a relative humidity of 100%?
What will be an ideal response? __________ g/kg
Deposits of sand, gravel, and soil by rivers are called
A. loess B. badlands C. estuaries D. alluvial fans
Biological characteristics are used to divide people into ________; however science has shown there is less than 1% genetic difference among humans
A) sub-cultures B) cultures C) races D) religions
Why are the melting points of cis-unsaturated fatty acids lower than those of trans-unsaturated fatty acids?
A) The cis-unsaturated fatty acid chains are shorter. B) The trans-unsaturated fatty acid chains pack together in close parallel alignment. C) The cis-unsaturated fatty acid chains have stronger London dispersion forces. D) All three factors (a)-(c) are important.