Why is the atmosphere heated chiefly by radiation from the Earth's surface? PLEASE SELECT THE TWO THAT APPLY.

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

Which nation is home to the bass rock in the firth of forth?

In a cold pack which type of reaction draws heat from the surroundings