How are sinkholes formed? What will be an ideal response?
Sinkholes form by the gradual solution of limestone from within the bedrock and removal of overlying
soil, or by the collapse of a cave within the limestone bedrock.
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Most of the precipitation that falls in the middle latitudes is formed by:
A) collision-coalescence. B) spontaneous freezing of water droplets in the absence of condensation nuclei. C) condensation of water vapor. D) the Bergeron process.
The stability of an air mass can be affected by:
A) anticyclones. B) mountain ranges. C) mountain ranges, cyclones, and anticyclones. D) cyclones.
Compared to the private automobile, public transportation offers more
A) energy efficiency. B) flexibility. C) pollution. D) privacy. E) range.
Compared to sandstorms, dust storms _____
a. involve gravel-sized sediment b. are moved by running water c. carry smaller particles d. carry ice instead of rock particles e. carry sediment closer to the ground