Sound is an example of what type of wave?

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

Why do bacteria thrive even in hostile environments

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.