Burning of plastics is an example of ________ changes in materials.
A. harmful B. harmless C. useful D. valuable
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Burning of plastics is an example of ________ changes in materials.
A. harmful B. harmless C. useful D. valuable
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Answer:
A. Harmful
Explanation:
Yan po yung sagot
Answer:
harmless because the earth will burn with air that the answer only you can search on other app or ask your mom
Explanation:
because burning paper or others are not working on earth only using this if so cold