Answer:
Steam engines were used in all sorts of applications including factories, mines, locomotives, and steamboats. How does the steam engine work? Steam engines use hot steam from boiling water to drive a piston (or pistons) back and forth. The movement of the piston was then used to power a machine or turn a wheel.
Answer: Provide opportunities for community service activities.
Explanation: Community service activities will enable their son develop sympathetic concern.
Sympathetic concern is understanding why people feel and behave the way they do. This is understanding of the thoughts, feelings, or emotional state of another person. Community service will enable them him to relate with others in order to understand there's things.