Why od you thin the earth moves, but the sun dose not move?

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

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.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities