9. wind power creates pollution. water air soil noise

Noise Pollution is your answer.

Explanation:

Wind turbines are a better alternative to using non-renewable resources.They produce little pollution (Noise pollution and Visual pollution), But they are a threat to wild life and not to mention, really expensive.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.