Radio waves travel at the same speed as ultra-violet rays.
a. true
b. false

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. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.

If the force applied to an object remains constant, is more power needed for the object to move faster ? explain

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c