crayfish, like the one seen here, lives in water. Bennie wondered how changes in temperature would affect the movement of crayfish. He wanted to design an experiment to test his idea. What would be Bennie's manipulated variable in the experiment?

The answer is "The temperature of the water."

Explanation:

Because he is trying figure out if the temperature affects how the crayfish lives

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

multiplying and dividing the two decimals and the eqations by the same number of the overalls