How is matter classified, Give example for each?
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Matter can be classified into 2 groups, Pure substance and Mixture.

Pure substance is a type of matter with "the same physical and chemical properties throughout the sample". Examples include tin, copper, oxygen, chlorine.

Mixtures on the other hand, are two or more combined substances that can be seperated. Some examples include smog, mud, sea water and air.

може ли да зареждате повече информация, моля

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.