Ultraviolet rays kill harmful germs present in the water, hence purifying it.
No it can't poison water. If that was the case nothing could live in or around water. Animals drink it. People drink it. Trees grow around and in water. Fish swim it. In fact, it's the opposite. UV rays can purify contaminated water. The SODIS method (look it up) is used in many countries around the world where clean water is not available. Water is put into a clean PET bottle and left in the sun for 6 hours. After that the water is clean and safe to drink.
it gives you rays that help your bones and teeth grow
it gives you rays that help your bones and teeth grow
it gives you rays that help your bones and teeth grow
How many ultraviolet rays are there?
Bees can see ultraviolet rays.
Ultraviolet rays, or radiation, is a type of electromagnetic waves.
Johann Wilhelm Ritter discovered ultraviolet rays
Yes, X-rays and gamma rays have higher frequencies than ultraviolet rays.
no, because ultraviolet rays are just above seeing and with ultraviolet lights, you see a more violet color.
Both Gamma Rays and X Rays have a much high frequency that Ultraviolet Rays.
Ultraviolet rays cannot be seen or felt. Ever had a sun-burn? I say UV rays can be felt.