Stratospheric particulates and aerosols stay suspended longer because
A) they are small and there is no mechanism to remove them.
B) they are held aloft by the jet streams.
C) they are trapped in the tropopause.
D) they combine with ozone and are held in chemical bonds.
Answer: A
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The variation in a population is called _____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is true?
A) The N-H bond is nonpolar. B) The polarity of the N-H bond is less than that of the O-H bond. C) The polarity of the N-H bond is the same as that of the O-H bond. D) The polarity of the N-H bond is greater than that of the O-H bond.
Instructions: Choose one answer from each pair of selections. Speed CONVERGENCE | DIVERGENCE occurs when the wind slows down as it moves along
What is the form of energy most related to the change of state of water?
a. potential b. kinetic c. latent d. chemical