4. Assuming there are no major changes in either the discharge of the river or the slope of the channel, which image shows the most likely course of the river in 500 years?
Original river
O A Image A
O B. Image B
O c Image C
OD. There is no way to determine which image is most likely

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.