Question

1. what units do we measure mass in?

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2. a block is 3 cm wide by 3 cm tall by 6 cm long. what is the volume of the block
?
3. what is an atom?
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4. give an example of a chemical change.
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Answer 1

below

Explanation:

1. Kilograms

2.54cm³

3.an atom is the smallest particle of a chemical element that can exist.

4.the digestion of food