The spectrum of a star with a b8 spectral classification shows strong ionized calcium lines. the spectral lines originate from the interstellar medium. t/f

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Which transition by an electron will release the greatest amount of energy? oa ob oc od

The dot diagram represents the motion of the motorcycle as it moves from left to right