Give me important questions of science of class 9th.......plz plzz plzz..❤❤.....i reallyy need this. .☺
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Define light.
list out some important properties of light.
Give some examples of non-metallic minerals and describe each of them.
What is ore of lead?
describe formation of soil.
list out some importance of soil in human civilization.
list out uses of minerals.
Minerals are inorganic substances why?
what is study of minerals called?
Why is newton called derived unit?
Velocity is derived quantity. why?
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what is the name of lonear
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