Insects have two pairs of wings, while bats and birds each have one pair. Insect wings lack bones, but birds and bat wings have them. Butterfly wings are covered in scales, bird wings in feathers , and bat wings with bare skin.
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Answer:
B and C
Explanation:
Freezing: because matter is slowing down
Condensing is just like Freezing
Sorry if wrong trying my best
The air as there are many elements in the air