Question

Match the following.
'A'
(a) Potassium chlorate
(b) Micro-organisms
(c) Greenhouse effect
(d) Fertilizers
(e) Manganese dioxide
'B'
1. Catalyst
2. Nitrogen
3. Carbon dioxide
4. Oxygen
5. Nitrogen fixation

Answer 1

a(1),. b(5) ,. c(3) , d(2), e(4)