<span>D. The screw changes the direction of a force - it converts linear force into rotational force. It also reduces the force required - the closer the threads, the smaller the input force required to get the same output force.</span>
Probably true because chemicals do control weed and it hurts the environment.
Answer:
i think the first one is gravity and second one is rotation
Explanation:
Graphite conduct electricity because it contains delocalize election (free election ) the election move through the graphite