The answer is Less then 5
Answer: d. A secretary smokes a cigarette in a crowded break room.
Explanation:
An external costs can be define as the activity which is likely to disturb the nature or cause harm to a living being. d. is the correct option because of the fact that if the secretary smokes a cigarette the smoke likely to disturb the crowd in the break room as some people may feel suffocated because of the smoke due to obstruction of natural air in the nostrils.
Answer:
A good quality education is the foundation of health and well-being. For people to lead healthy and productive lives, they need knowledge to prevent sickness and disease. For children and adolescents to learn, they need to be well nourished and healthy.
Wear protection like knee guards, helmet, arm guards etc. Stuff that would help her stay safe incase she fell. Or to stay on a wall and look for guidance.