Ight even though you have to answer other peeps
Answer:
B) a substance's color and odor changed Explanation: A signal that a chemical change has occurred is when its odor (its smell) or its appearance has changed.
Answer:
there is no change in mass
Explanation
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Answer:
B.
Explanation:
The up and down movement of gases and liquids caused by heat transfer is convection.
Answer:
50 gram calcium do you need
Explanation:
please make me brainlist answer
