MCQOPTIONS
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| 1. |
In the context of the passage how can LED play a vital role in the climatic change? |
| A. | By reduction of CO2 in the atmosphere |
| B. | By reduction of the heat emission in atmosphere |
| C. | By helping Ozone layer from getting depleted |
| D. | By preventing industries from releasing poisonous gases into atmosphere |
| E. | All of the above |
| Answer» B. By reduction of the heat emission in atmosphere | |