Fertilizers are added in order to provide plants with ___.
oxygen
carbon
nitrogen
hydrogen
Match the following.
‘A’
‘B’
(a)
Potassium chlorate
1.
Catalyst
(b)
Micro-organisms
2.
Nitrogen
(c)
Greenhouse effect
3.
Carbon dioxide
(d)
Fertilizers
4.
Oxygen
(e)
Manganese dioxide
5.
Nitrogen fixation
Glucose is a compound containing carbon, hydrogen, oxygen and nitrogen.
Sugar is a compound which contains carbon, hydrogen, nitrogen and oxygen.