What is smog?
A)a dirty brown fog made up of smoke and other pollutants
B)a particular place
C)the situation of things being out of order or upside-down
D)a molecule made up of three oxygen atoms
E)something which causes impurity or pollution
A)a dirty brown fog made up of smoke and other pollutants
B)a particular place
C)the situation of things being out of order or upside-down
D)a molecule made up of three oxygen atoms
E)something which causes impurity or pollution