Match the parts of sentences in column A, B and C to write five complete sentences.

A	B	C
a) Substances called acids	i) be very acidic in	i)and damage to human health
(b) Ordinary rain water	ii) are at risk	ii) known as acidity
(c) But rain can	iii) between acid rain	(iii) slightly acidic
(d) There is a link	iv) is	iv) due to severe acid rain
(e) Many world famous buildings	(v) have a sharp taste	(v) severely polluted areas