The mean height for the grass used as a control is equal to the total number of the data came from the control grass divided by the number of control grass in the experiment. The mean height means the average height of the grass.
Work is done when a spring is extended or compressed . Elastic potential energy is stored in the spring hope that helpss.
Answer:
it goes up until we help it to but the moment we stop support it gets affected by gravity and goes back
Explanation:
Solid phase. The atoms are tightly packed and vibrate.