Which of the following is true of B-DNA?
A) It is a perfectly uniform helix with no grooves.
B) It is a helix with a single type of groove.
C) It is a helix with two types of grooves - major and minor.
D) It is a helix with three types of grooves - major, intermediate and minor.
C
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Which of the following is the smallest scale of atmospheric motion?
A. microscale B. mesoscale C. synoptic scale D. macroscale
In the eastern US the decreasing amounts of water vapor northward of the Gulf of Mexico is due to [INSERT FIGURE 5-10B. INCLUDE CAPTION]
A) conduction B) radiation C) transport D) supergeostrophic flow
Oceanic crust is primarily ____________ rock. Fill in the blank(s) with the appropriate word(s)
Which of the following is a weak electrolyte?
A) HCl B) CH3COOH C) both a and b D) neither of them