171k views
3 votes
Which of the following is not a source of air pollution related to human activities

User Hari Kanna
by
8.0k points

2 Answers

6 votes

Answer: d) radon

Step-by-step explanation:

User Or Smith
by
8.2k points
5 votes
radon is not a source of air pollution related to human activities
User Jonathanpeppers
by
8.8k points

No related questions found