Write the correct tense or form of the verbs in brackets.
1. It would be better for the environment if more people________ (use) bikes rather than cars.
2. If we use less energy, we________ (help) reduce greenhouse gas emissions.
3. Every year, million tons of plastic________ (dump) into the oceans.
4. A thick smog________ (settle) over New Delhi since winter________ (begin).
5. Noise pollution can________ (cause) by vehicle, aircraft, and industrial noise.
6. Human activities________ (destroy) nature at an unacceptable rate right now.
7. A decade ago, WHO________ (classify) air pollution as a link to lung cancer.
8. If the temperature________ (increase) by a few degrees during the next few years, we________ (run into) serious problems.
9. What________ (happen) if all the pollution in the world________ (disappear)?
10. At 8 o’clock last night, I________ (watch) “A Plastic Wave”, a documentary on plastic pollution.
11. We should avoid ________ (buy) frozen foods because their packaging is mostly plastic.
12. Air pollution can make people ________ (die).
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