Experts rate indoor air pollution as a
a. high-risk health problem for humans
b. medium-risk health problem for humans
c. low-risk health problem for humans
d. high-risk ecological problem
e. none of these
Answer: A
Experts rate indoor air pollution as a
a. high-risk health problem for humans
b. medium-risk health problem for humans
c. low-risk health problem for humans
d. high-risk ecological problem
e. none of these
Answer: A
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.