Which properties describe stars that evolve the fastest? OSmall and hot
O Small and cool
O Massive and hot
O Massive and cool

What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )

Asystem containing an ideal gas at a constant pressure of 1.22×10^5 pa gains 2140 j of heat. during the process, the internal energy of the system increases by 2320 j. what is the change in volume of the gas?

More solar radiation is absorbed by earth’s surface than by