Respuesta :
Answer:
C. Since there was coal burning in factories the air started to get polluted
Answer:
B.) It caused pollution in cities due to factories burning coal.
Explanation: I took the K12 test
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Answer:
C. Since there was coal burning in factories the air started to get polluted
Answer:
B.) It caused pollution in cities due to factories burning coal.
Explanation: I took the K12 test