which observation provided albert einstein the clue that he needed to explain the photoelectric effect?

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Asap! will give brainiest when a heat wave strikes a region causing more people to run air-conditioning units, electrical demand increases. what needs to be done to meet this increased demand? raising the control rodslowering the control rodsremoving the control rods

Consider the story you just read. all but one of the choices below indicate that something is living.