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Why do heated molecules rise? a Because they are less dense than the molecules around them b Because they are moving slower than the other molecules c Because they are denser than the molecules around
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Why do heated molecules rise? a Because they are less dense than the molecules around them b Because they are moving slower than the other molecules c Because they are denser than the molecules around them

User Awfun
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A because they are less dense than the molecules around them

User Laurent Legrand
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