POLLUTION OF WATER AND SOIL

BIOLOGY SSS 2 SECOND TERM

WEEK SEVEN

POLLUTION OF WATER AND SOIL

PERFORMANCE OBJECTIVE

Students should be able to;

1. Identify poor sewage system as a source of pollution
2. Name domestic and industrial waste that pollute land and water
3. Identify the decay of organic matter (e.g dead animals and plants)  as a source of pollution.

CONTENT

Water pollution

Water covers over 70% of the earth’s surface. It is also the most basic requirement for survival. It also supports aquatic life and other ecosystems.

Water pollution is the contamination of water bodies such as oceans, seas, lakes, rivers, groundwater, and aquifers by pollutants. The contaminants can end up in the water by the direct or indirect application. It is the second most…