(a) A body of mass 100 kg is raised to a height of 2m above the ground.
(i) State the name of the energy possessed by the object by reason of its new position.

(ii) Calculate value of this energy.
[g=10 ms-2]

(b) (i) What is matter?
(ii) State two of the states of matter.

(c) (i) Describe the nature of loamy soil.
(ii) Name any two plant nutrients.

(d) (i) State one causative organism for each of the following diseases:
(\alpha) cholera ;
(\beta) tuberculosis.

(ii) State one method of prevention of cholera.