The two elements that make up the largest percentage by mass of earths crust are oxygen and ?

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?