Supercooled water refers to ________
A) ice crystals
B) water that is liquid as cold as -40ºC (-40ºF)
C) water vapor below freezing
D) water droplets without condensation nuclei
E) ice crystals that are the beginning of snowflakes
Answer: B
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A parcel of with a specific humidity of 20g water vapor/kg air at 20°C is heated to 30°C. Which of the following is true?
A. specific humidity will decrease B. relative humidity will decrease C. water holding capacity will decrease
Erosion by rock particles that bounce, scrape, and drag along the bottom and sides of a stream channel is called _______________
Fill in the blank(s) with correct word
The Houston-Galveston, Texas, area has been sinking due to the ________.
A. dissolution of limestones B. withdrawal of groundwater by pumping C. dissolution of a salt layer D. weight of all the high-rise buildings and houses E. emptying of a magma chamber
"Site selection" in environmental planning is often overlooked
Indicate whether the statement is true or false