The right option is; b. the water caused an increase in temperature of the air inside the ball and an increase in pressure.
The dent (hollow area formed by pressing or hitting) from the ping-pong ball disappeared because energy was transferred from the hot boiling water in which the ball was placed to the air inside the ball. This transferred energy will increase the temperature of the air inside the ball and the air molecules will begin to move faster with a greater force. Hence, causing an increase in pressure.
Answer:
Electricity generation
Explanation:
Coal is burnt to release high amount of energy which is further used to convert water into steam. The steam produced turns the turbines thus generating electricity.
Answer:
Pass an identical genetic code to their offspring for many generations
