MCQOPTIONS
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| 1. |
Consider the following statements about ozone gas in the atmosphere: I. Its maximum concentration is 20 to 25 km above the earth's surface. II. It saves us from the intense heat of the sun. |
| A. | Statement I is correct |
| B. | Statement II is correct |
| C. | Both Statement I and Statement II are correct |
| D. | Neither I nor II is correct |
| Answer» B. Statement II is correct | |