Which of the following is a method used by farmers to protect crops from freezing?
A) covering crops with plastic
B) spraying crops with water that then freezes to ice
C) mixing the air around and above crops
D) supplying heat to crops with outdoor heaters
E) all of the above
E
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What is the capacity of the air after it has descended back down to sea level on the lee side of the mountain?
Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.
What will be an ideal response?
___ g/kg
Which of the following represents voluntary migration?
A) Myanmar's persecution of its Rohingya Muslim population B) Syrian flight from civil war C) Sudanese refugee camps in Chad protecting Darfurian refugees D) Vietnamese secondary relocation from Bismarck, North Dakota to Westminster, California E) human trafficking in Bangkok, Thailand
Solifluction ____
a. is the fast fall of soil b. typically occurs in areas of permafrost c. is the slow flow of rock d. is most common in deserts
Poorly sorted, unconsolidated material that includes at least 20% gravel is called ____
a. rock b. mud c. talus d. debris