(i)
- To find out the importance of lakes.
- To find out problems affecting lakes.
- To find out the sources of water in the lake.
(ii)
- Drawing sketches
- Note taking
- Tape recording
- Taking photographs.
(iii)
- Agriculture
- excessive irrigation reduces the volume of the lake.
- Chemicals used in the farms pollute the water.
- Industrialization: disposal of industrial wastes pollutes the lake water.
- Deforestation – may cause the lake to be silted.
- Introduction of weeds.
maurice.mutuku answered the question on August 9, 2019 at 07:03
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