== Cleaning a pool without chemicals== Actually, scientist have discovered that hen you use a special filtration system with a low percentage salty wtaer, you'll have to clean less our pool, with less chemicals, to have a better water quality. == Cleaning a pool without chemicals== Actually, scientist have discovered that hen you use a special filtration system with a low percentage salty wtaer, you'll have to clean less our pool, with less chemicals, to have a better water quality.
thermal nuclear chemicals mechanical light electrical sound
The EA pair in clean has a long E sound, as in bean and mean.
stimulus sense organs light eyes heat skin touch skin chemicals tongue sound ears pain skin and internal organs chemicals in the air nose
Light is faster than sound
Clean air act - to control amount of harmful chemicals released in the atmosphere. Clean water act - to minimize emptying of waste materials in the water. Sound range- to reduce high decibel noise from the machinery.
Anywhere where there is light or sound!
Loudness is to brightness as sound is to light.
Light is faster than sound
Both light and sound travel. Light travels the fastest.
sound and light are energyperformed from ave but light travels in a straight direction
Light makes no sound, hence there is no "sound of light", and anything that doesn't exist cannot be heard.
It is different because sound vibrates and light reflects