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18 votes
18 votes
1. Which is a substance that cannot be broken down into another substance?

O compound
O atom
O element
O
molecule

User Gavriel Fishel
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2 Answers

7 votes
7 votes

Answer:

Step-by-step explanation:

1. Compound

User Enadun
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2.5k points
19 votes
19 votes

Answer:

Atom

Step-by-step explanation:

my theory:

Atoms are their own substance. It's atom because if you tried to break an atom, you would be going into nuclear physics. That would be unsafe and dangerous.

User Enezhadian
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3.4k points