An aurora is produced when
a. solar wind particles are directed toward the magnetic poles and excite atmospheric gases.
b. swamp gases rise from the arctic tundra and react with the upper atmosphere.
c. radiation in the Van Allen belts can be seen on a clear, cold night.
d. lightning travels from cloud to cloud rather than cloud to ground

How would i answer this for an exam?

The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.

Land cool more quickly than water. as a result the pressure over the water is lower than that over the land, and the air moves from the land to the water. what is this known as. a) prevailing winds b) sea breexes c) land breezes d) valley breezes