What are the 2 classes of matter?
A. Atom and molecule
B. Plant and animal cell
C. Element and compound
D. Substance and mixture
A. Atom and molecule
B. Plant and animal cell
C. Element and compound
D. Substance and mixture
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Answer:
A.atoms and molecules
Explanation:
because this some of this that i recall when im in my 6th grading.And atoms and molecules are more famous that b,c and d.