I'm pretty sure it's letter A or C
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:
b I am pretty sure but now I'm second-guessing myself you also need sleep and sunlight and vitamins but I think you need food more. SORRY!
<span>Motor vehicle crashes,alcohols overdose,and interactions of alcohol with other drugs</span>
Physical activity increases blood flow and oxygen intake which has positive influences on every aspect of health.
