Explain giving reasons
(a) Balanced diet is necessary for maintaining healthy body.
(b) Health of an organism depends upon the surrounding environmental conditions.
(c) Our surrounding area should be free of stagnant water.
(d) Social harmony and good economic conditions are necessary for good health.
Good economic conditions are a base for good health as these conditions equip an individual with good quality hygiene food and ability to deal with the expensive treatments required to restore good health.