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1 vote
Warm air rises because:

Question 7 options:

It is made of helium


As it warms the particles spread out making it less dense


As it warms the particles get closer together making it more dense



Air always moves towards the sun or moon due to gravity

User Kosmikus
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1 Answer

2 votes

Answer:

helium

Step-by-step explanation:

balloon

User Swasidhant
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