What is responsible for the capillary action of water?
a. latent heat of fusion
b. thermal inertia and surface tension
c. adhesion and cohesion
d. latent heat of vaporization
e. density
c
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The place where three plate boundaries intersect is called: __.
a. a triple junction b. a conservative plate boundary c. a joint boundary d. a node
An unstable air parcel continues to rise until it reaches an altitude where the surrounding air has a density and temperature similar to its own
Indicate whether the statement is true or false
If the Earth were in a cooling trend, which process below would most likely act as a positive feedback mechanism?
a. increasing the snow cover around the Earth b. increasing the water vapor content of the air c. decreasing the amount of low stratified cloud cover around the globe d. increasing the carbon dioxide content of the air e. decreasing snow cover in middle and high latitudes
In winter, sand from some beaches disappears. Where does it go?
a) The sand becomes buried in mud. b) The sand moves down the continental margin to the deep sea through submarine canyons. c) Winter wave action moves the sand offshore into bars, located just below the wave base. d) The sand is stuck in rivers until the winter waves subside. e) The sand is covered up by rocks brought in by strong winter waves.