(a) (i) What is technology?
(ii) State one use of technology in communication

(b) Write and balance each of the following chemical equations:
(i) Fe + O2 -> Fe2O3;
(ii) Na + Cl2 -> NaCl;
(iii) H2 + O2 -> H2O

(c) State one function of each of the following components of a typical cell:
(i) nucleus;
(ii) chloroplast;
(iii) mitochondrion

(d) Mention four cultural practices in vegetable crop production

(e) Name two agencies in food safety and quality assurance in Ghana.