An important principle in the electrification of a cumulonimbus cloud is that:a
raindrops are always positively charged
b. supercooled water is always negatively charged
c. ice crystals are always negatively charged
d. there is a net transfer of positive ions from a warmer object to a colder object
d
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A rock that is 400 million years old comes from the ________ Period
A) Paleozoic B) Phanerozoic C) Precambrian D) Silurian
What aspect of tropical cyclones tends to cause the greatest death and destruction?
A) the intensely low atmospheric pressure in the storm's eye B) the intense wind C) flooding from rain, waves, and storm surge D) lightning from thunderstorms spawned by the cyclone
The ________ waves' motion is similar to S waves, except it is from side-to-side in a horizontal plane roughly parallel to Earth's surface.
A. H B. T C. P D. Rayleigh E. Love
To create a sea breeze
A. the cool air over the land rises, creating low pressure. Warm air over water sinks, creating high pressure. This creates an onshore breeze. B. the cool air over the land sinks, creating low pressure. Warm air over water rises, creating high pressure. This creates an onshore breeze. C. the warm air over the land sinks, creating high pressure. Warm air over water rises, creating low pressure. This creates an onshore breeze. D. the warm air over the land rises, creating low pressure. Cool air over water sinks, creating high pressure. This creates an onshore breeze.