What Is Ultraviolet Radiation?
What Is Ultraviolet Radiation? Ultraviolet radiations are electromagnetic rays which are like light rays, but are not visible to the human eye. It is a part of the...
Read MoreWhat Is Ultraviolet Radiation? Ultraviolet radiations are electromagnetic rays which are like light rays, but are not visible to the human eye. It is a part of the...
Read MoreWhy Is Grass Green? The green color in grass-and in most other plants-comes from chloroplast within the cells, each of which contains four different colors or pigments....
Read MoreAfter a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while the air is still filled with raindrops. The...
Read MoreWhen Can a Rainbow Be Seen? After a shower of rain there is often a rainbow. Rainbows form when the sun begins to shine through the clouds while the air is still filled...
Read MoreWhat Is Glitter and Where Did It Come From? Glitter is made up of hundreds — even thousands or tens of thousands of tiny pieces of various materials which include...
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