What is entropy? a. a measure of the randomness of a system

b. work done on a system

c. heat flowing from cold to hot

d. a measure of the efficiency of a system

What are the phases shown in a and d called?

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.

The mini-refrigerator fire was most likely caused by what type of wiring?