Polluted air may contain substances which are(1)___ to our lungs.?
Can you help me to fill in the blanks?And also : These substances may include small__and__ gases such as sulphur dioxide,__or__.
Thank you for your helping.
Top 3 Answers
Favorite Answer
harmful
particles
noxious
carbon monoxide
??
0
1) harmful or dangerous or damaging
particles
poisonous,
name 2 other poisonous gases
0
nitrogen dioxide, sulphur dioxide, carbon monoxide and particles
0
