How much confidence would you have in the conclusion of experiment 3 if you found out that temperature was not a controlled variable?

Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

The graph indicates the running route for tobias. which best describes his run? from time 0 to 6, he went fast and then slowed down. from time 6 to 10, he was at his slowest. from time 12 to 14, he went very slow. from time 14 to 18, he went toward the starting point.