Relative to ultraviolet waves, the wavelength of infrared waves is
A) shorter.
B) longer.
C) the same.
B
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Which of the following is the BEST indicator of the actual amount of water vapour in the air?
A. saturation vapour pressure B. dew point temperature C. relative humidity D. air temperature
Which of the following is an accurate statement about ordinary cell thunderstorms?
A. They typically last for less than an hour. B. They are the least common type of thunderstorm. C. They are often classified as a severe thunderstorm. D. They are the most destructive type of thunderstorm.
In the diagram below, which layer is able to flow rather than being brittle?
A. 1 because water helps lubricate it B. 1, 2, and 3 because it is not under as much pressure as 4 C. 4 because it is under so much more pressure than 1, 2, and 3 D. 2 because the rocks are of a different composition than in the other layers
What kind of stress is deforming this block?
A) Shear B) Compression C) Tension