Humidity is a measure of the amount of water vapor in the atmosphere. Why is humidity always very low inside your kitchen freezer?
A) because the kitchen freezer is most often sealed off from the atmosphere
B) because the frost in the freezer absorbs this moisture
C) because it is not possible for water to be in the gaseous phase at temperatures below 0°C
D) because at the cold temperatures of your kitchen freezer, water molecules in the vapor phase are moving relatively slowly, which makes it easier for them to stick to inner surfaces within the freezer or to other water molecules.
D
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Which of the following statements about desalination is true?
a. The common methods of desalination are reverse osmosis and transpiration. b. Desalination is expensive. c. The removed salt can be dumped back into the ocean with no real concerns. d. Desalination is the best approach to solving irrigation problems. e. Desalination is the best method of acquiring clear water for drinking.
Which of the following pr°Cesses can generate the convective instability ass°Ciated with severe thunderstorms and tornadoes?
A. forcing a layer of moist air to descend a mountain range B. creating shadows on the land surface C. heating the upper portion of an unsaturated layer of air D. lifting a stable air layer whose surface is humid and whose top is dry
Which legislation ended the early Republican Conflict of the Orders?
A) Lex Sempronia Agraria B) Lex Hortensia C) The Twelve Tables D) Licinian-Sextian Law
Planting rows of trees or shrubs around the periphery of a plowed field are long established farming practices that
A) serve as water reserves in times of drought. B) attract insect pests away from the crops. C) increase wind erosion and decrease soil moisture. D) decrease wind erosion and increase soil moisture.