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riadik2000 [5.3K]
3 years ago
12

Plz answer im giving out brainliestttt ;)

Biology
2 answers:
Alekssandra [29.7K]3 years ago
8 0

Answer:

Number 3 is the answer

Explanation:

Ierofanga [76]3 years ago
6 0
Fill with hot air and float up, counteracting the force of gravity
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