When energy in the atom is released, what occurs? (a) an electron jumps to a higher orbit(b) an electron becomes excited(c) a photon is emitted (d) an atom absorbs quanta

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

Ineed the answer to question 1 , i’m desperate

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.