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7th grade science
life science
Question | Answer |
---|---|
Which is not a main idea of the cell theory? | a |
Which is not one of the 6 main kinds of atom's that make up the molecules of living things? | lead |
what substance makes up most of your body's mass? | oxygen |
Sugar,starch,cellulose,and chitin are all types of. | D. proteins |
What is a difference between the cell membrane and the cell wall. |