The one factor you will change as you carry out your investigation; (This is the independent variable.) • The factor you will measure; (This is the dependent variable.) • One of the factors you should control to ensure a fair test; • The time scale for the investigation

answer: i dont know the answer but this might

explanation:

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warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !