Respuesta :
Answer:
My personal thoughts here.
Explanation:
Sellers of masks, sanitizers and soaps and toilet paper made a huge gain because people bought many of these products.
Also people in charge of buildings made profits because isolation houses were constructed.
Scientists were utilized and able to learn more about the virus and other illnesses because of corona virus.
Again these are my personal thoughts so I apologize if it didn't help.
Answer: air quality has improved in many cities
reduction in water pollution in different parts of the world.
Explanation: