Answer:
Declining agricultural production could lead to shortages of some food items like maize, wheat and some protein sources such as meat and eggs. This could, in turn, force South Africa to import more. Thirdly, a shortage of local produce could push up prices.
Explanation:
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Changes in the supply source or sediment supply can begin or end the life of a river.
<h3>What other factors can affect the life of a river?</h3>
Other factors that can affect the life of a river are;
- The kind of rocks present on the shores
- The source and supply of sediments.
Sediments deposited continually on the shores of a river can gradually edge the river away from it's course or cut it off from it's source.
Hence, it is right to state that Changes in the supply source or sediment supply can begin or end the life of a river.
Learn more about rivers at;
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Answer:
D. Hertzsprung-Russell Diagram
Explanation:
The Hertzspring-Russel Diagram or HR-Diagram is used to study the evolution of stars. It plots stars depending on the temperature against luminosity. Stars go through different changes depending on its mass at the beginning. These changes occurs in stages and each stage is marked by a change in temperature and luminosity.
