why does flame always points upward
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Answer:
A candle flame points upwards becauseflame is extremely hot, and thus less dense than air (by a routine approximation using the Ideal Gas Law), and thus rises. A hot air ballon floats for the exact same reason. As mentioned in the "possible duplicate" question, this effect disappears in the absence of gravity.
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2
Answer:
weightless
Explanation:
H2 is released
it has upward displacement
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