Please answer only question 4. And I beg you for help no one is answering this. I will give brainliest (20 points wasted)

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

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.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur