CHANGE AROUND US
WEEK 5
TOPIC: CHANGE AROUND US
INSTRUCTIONAL MATERIALS:
A chart showing different types of erosion
CONTENT
EROSION
The wearing away of the surface soil by water or wind is called erosion. Wind and water, which cause erosion, are called agents of erosion.
Effects of erosion
Erosion has several effects on human beings. The following are some of them:
- Crops grow in the soil. Yam, maize, potato, guinea corn, cassava, millet, soya beans and other crops absorb chemical substances from the soil. These chemical substances help the crops to remain healthy, grow and produce a high yield. Human beings need a high yield of crops so as to be adequately fed.
Erosion washes away the topsoil and with it the chemical substances that crops require for a good yield. Erosion, therefore, makes the soil poor and reduces the yields of crops.
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- Chapters 7
- Category Primary 5
- Author ClassNotes Edu
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