Acidic deposition or acid rain occurs when SO2 and NOx in the atmosphere react with water, oxygen, and oxidants to form acidic compounds.
SO2 and NOx in the atmosphere cause acid rain.
Water and nitrogen in the atmosphere cause the acid rain.
A little boy is outside.
She asked if the man had shot her father.
He did not have a black beard at all.
He thought that Cynthia was in love with John.
Ambleside Hall was built in the 16th century but it was destroyed later.
Cezary got to work knowing he only had a month.