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1. A study was done to find if different tire treads affect the braking distance of a car.
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2. The time it takes to run a mile depends on the person's running speed.
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3. The height of bean plants depends on the amount of water they receive.
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4. The higher the temperature of the air in the oven, the faster a cake will bake.
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5. Lemon trees receiving the most water produced the most lemons.
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