Which is considered a temperature inversion? Question 4 options:

a layer of cold air over one of warm air

a layer of warm air over a layer of cold air

two layers of warm air

two layers of warm air, one on top of the other

Does water only take one path through the water cycle? (15 points)

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

Iceland has taken advantage of its geology to meet a. political needs b. energy needs c. cultural needs d. economic needs answer b. energy needs