Soil Erosion and Flooding
The lesson covers soil erosion, its causes, and the impact of human activities on soil health. It also discusses methods to control and prevent erosion, as well as the causes and prevention of flooding. Different types of drainage patterns in the community are also described.
- 01:35 “Soil erosion, soil erosion is a washing away of the soil, either by every rainfall or by wind resulting to the formation of golly and landslides. And so living behind suits on which plants can no longer grow. The picture...”
- 11:02 “and rotating them every plant in season. In order to maintain soil fertility. And also prevent water erosion. Number six, application of organic manure. Organic manure are matters. Prevent loss of water from the soil and...”
- 04:41 “For example, deforestation, caught in down of trees, grazing, that's the animals, eating the grasses on the field, arable land use, faulty farming system, eye crop intensity, construction, mining, all these are human rul...”
Factors of Production
The lesson covers the concept of production and its types. It explains the factors of production, division of labor, and specialization. The advantages and disadvantages of division of labor and large scale production are also discussed.
- 08:58 “extracted, then those ones are moved by a body location of land itself or the source of land is fixed. Also the supply is fixed. So we have all we have is what we have. We do not have more. So that's why we have to be ve...”
- 06:30 “everybody has a price at the tick at the end. And so the reward for each of the, each of these factors of production have their own rewards for their contribution to the production process. And as we treat each of them,...”
- 08:08 “then we generate value, which can now be exchanged. And that is how when we now exchange that value, and we get value for it or money for it, then that is how we make use of the land resources. Just being there is not en...”
Solid Minerals in Nigeria
This lesson covers the types of solid minerals found in Nigeria, their locations, and their uses. Students will learn about specific minerals such as limestone and their importance to the economy. A map of Nigeria showing the distribution of these minerals will also be drawn.
- 14:15 “These disturbance can affect the landscape, it can affect the soil, it can affect the vegetation and also the water resources. Potential environmental impact from oil and gas development activities include region. It all...”
- 15:03 “the vegetation is going to kill some of the plants, it's going to be responsible for some of the animal behavioural pattern. Crystallistic of solid minerals. Diamonds. Diamonds is hard with natural state and it is a lot...”
- 15:50 “Siva, goat and diamond are used for making diaries, earrings, necklace, medals and trophies. The wealth of a nation in foreign reserve is determined by the value of the goat. Coal. It is also used in generating power, wh...”