Answer:
The sun is the start of the water cycle
Explanation:
Water can not evaporate without the sun.
The answer is thermometer. Do you have any answer choices?
The answer would be B. :)
Answer:
how scratching an itch is an example of a negative feedback mechanism. ... A receptor carries the information about the stimulus (itch) to the brain via an afferent pathway. Control center (brain) analyzes this information an turns on an effector which will cancel the stimulus.