ACCORDING TO THE PASSAGE, WHAT ARE THE MOST SERIOUS SOURCES OF POL...

30/ According to the passage, what are the most serious sources of pollution? A. Oil, cooking, and water drainage B. Acid rain, car exhaust fumes, and oil spills C. Water irrigation, smog, and rubbish D. Garbage disposal, forest fires, and garbage K: B https://traloihay.net 30 III. WRITING: Sentence Building