What is a good example of a positive feedback loop? a. feeling thirsty when you are dehydrated
b. the stimulation of milk glands in women who are nursing
c. production of white blood cells to slow the advance of a bacterial infection
d. production of insulin to counter the effects of eating sugar

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

protistas excret ethanol used in the manufacture of vinegar

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate

i think the answer would be a. after sentence 14! i hope i at least a little