Can someone pls help me and give me the answers i will mark brainliest :3

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.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

How is the gravitational force related to the distance between two objects?