The model of the atom has dramatically changed over many many years.We learned atoms make up different substances and are the smallest particles of matter, which have subatomic particles that are very small portions of matter. At first scientist only thought there were electrons which are negatively charged.
Milk is a complex colloidal system.
It differs because a steam turbine runs off of a magnetic field and a steam engine runs off of coal
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Explanation:
What's Dis Suppose To Mean ?
