Human inputs of outdoor air pollutants occur mostly
a. in rural areas
b. in the mountains
c. along the oceans
d. in urban areas
e. in the deserts
Answer: D
Human inputs of outdoor air pollutants occur mostly
a. in rural areas
b. in the mountains
c. along the oceans
d. in urban areas
e. in the deserts
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.