| 1 | The windows are covered with steam. | |
| 2 | A cloud is a mass of vapor in the sky. | |
| 3 | Moisture in the atmosphere condensed into dew during the night. | |
| 4 | As plants pull air down to their roots, they pump moisture out. | |
| 5 | As the vapor condenses into rain, the local atmospheric pressure drops. |
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