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1: TRUE or FALSE? Elements are pure types of matter.

2: TRUE or FALSE? Atoms are made from molecules.
3: TRUE or FALSE? Chlorophyll is needed for cellular respiration.
4: TRUE or FALSE? Matter and energy flow through food chains.
5: TRUE or FALSE? Chemical compounds contain at least two types of atoms.
PLEASE HELP!!
Thank You......

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4 answers

  1. Help how? Atoms make up molecules. Elements are pure matter. What don't you understand that keeps you from answering the others.

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  2. "Atoms make up molecules."

    So how could number 2 be true?

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  3. true

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  4. So that means true for numbers 1 and 2.
    False for 3 and 4.
    true for 5.
    are my answers correct?
    Please help.
    Thank you.

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