Which concept I theory do you remember
after seeing the picture of giraffes in
text book ? Describe in brief
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An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.
i don't know sorry
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3
This is your answer ..
thank you..
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