Observation

This question was attempted by many candidates and their performance was poor.  Candidates could not correctly explain  the term pollution in relation to health education, candidate related the definition to agricultural science definition.
The expected answers are as follows:

 4.        POLLUTION IN RELATION TO HEALTH SCIENCE
The Pollution is the release of harmful substances / materials / energy, that contaminate/alter the nature of the environment, making it undesirable / unfit / unsafe for human life.