You use an electric motor that requires 850 J of energy to lift the mass.

Help me, please. :D

Provide one reason why mitosis occurs.

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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.