Question

Explain why the containers are heavy.

Answer 1

Explanation:

• That's basically because gas has mass and weight like everything because it too has molecules just like anything else, though too far apart as compared to liquid or solid. ... Ultimately what the final effect will be is that there will be more amount or mass of gas in the cylinder than before. So it'll be heavier.
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Answer 2

Because they are made up of heavy and thick metals which help in supporting the goods inside them