B is the correct answer because all the classes are hierarchy’s in a sense
I think it’s “a Protein molecule”
Answer: II and IV
Explanation: Flammability and the ability to rust are chemical properties because they change an object. I, III, and V are physical properties because it doesn't change the object's composition. This includes weight, the change in matter (solid to liquid), or change in volume.
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The answer is fog because it thick smoke