The correct answer is A. B might sound like it is right but that has nothing to do with what the question is asking. And C is not correct because under the the temperature is 4 degrees c.
Answer:
I think it's water vapor, but I don't know
Explanation:
water vapor
Could you attach a picture of the painting so i can better answer this?
They come from the atmosphere, since plants use carbon dioxide to produce carbohydrates :)
