(a) Copy and complete the table below 

Disease	one effect	one remedy
kidney stones
Nephritis
Diuresis

(b) Make a labelled diagram of the carbon cycle.

(c)(i) What is Estuarine habitat?
(ii) Construct a food chain typical of an Estuarine habitat.

(d)(i) Name two diseases that can attack plant crops.
(ii) State three ways of controlling plant diseases.

(e) State four functions of a public health authority

(f) State four ways of maintaining food hygiene in the community.