Question

Explain why self-heating cans are very expensive.

Answer 1

Answer:

Self-heating cans have dual chambers, one surrounding the other, making a self-heating food package. This is because self-heating cans are considerably more expensive than the conventional type, take more space, and have problems with uneven heating of their contents.

Explanation:

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Answer 2

Answer:

Self-heating cans have dual chambers, one surrounding the other, making a self-heating food package. This is because self-heating cans are considerably more expensive.

Explanation:

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