they are used like in shops when there are sales
Because they are just a way of life, and you see them every day.
5 examples of percents
Taxes, tips, test or quiz grades, graphs.
you breath it
Mostly it is not used every day.
Prime example of radiation in our every day life is the heat we get from the sun (mostly radiation heat)
solderTinsalloys
yes! Hi!
They aren't.
SandStone is used to build buildings.
Binoculars, cameras, telescopes,
stop signs, 50cent