Answer:
I think B one is correct.
Hi !
<em>Name the 3 pollutants that have decreased the most since the 1990</em>
Answer:
<em>- lead, </em>
<em>- sulfur dioxide (SO2) </em>
<em>- oxides of nitrogen (NOx).</em>
What are the effects? you need to add more details, or add an attachment...
With any medicine your body becomes more tolerant, so I would say yes
