Which of these is an example of nonpoint-source pollution?
O
A. Exhaust is emitted during rush hour in a city,
O
B. Loud music comes from a concert in the city.
O
O
C. Smoke is emitted from a factory smokestack.
D. Bright light is emitted from a street lamp.

Please I need help!!

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.