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				| 1. | DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - 1 Until eighteenth century, people thought that air was just one substance. Now it has been experiment all proved that it is really not so. Air is a mixture of gases. Which of the following statement(s) is/are correct? | 
| A. | Water is present in air in vapour form | 
| B. | Water is not present in air | 
| C. | Carnivorous animals eat flesh of dead and decaying animals only | 
| D. | Water is present in air in solid form | 
| Answer» B. Water is not present in air | |