The energy transformations are similar because they both involve transformations that o begin with chemical energy. begin with electrical energy. result in radiant energy. result in mechanical energy.​

.) the observation by semmelweis that more mothers died of childbed fever when their doctors also worked in the morgue

this is poiselle's equation from fluid mechanic in physics. mech eng

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;