Which has makes up the largest amount of smog around cities

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

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.

Which feature of a human community is similar to a niche in a biological community