1st Six Weeks Environmental Science Review

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A study was done to find if different tire treads affect the braking distance of a car. What is the independent variable?

Tire tread

The height of bean plants depends on the amount of water they receive. What is the independent variable?

Amount of water

The higher the temperature of the air in the oven, the faster a cake will bake. What is the independent variable?

Temperature of the oven

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