Answer:
Explanation:
nitrogen:Nitrogen is an integral part of all proteins and is one of the main chemical elements required for plant growth and photosynthesis .It is required for the growth of plant. It helps to increase crop yield. It increases the protein content in plants.
Phosphorus:Phosphorus is vital for strong growth .It helps in the development of root of plant and its growth. It is required for plant for the formation of seed. It helps plants to increase their resistence against diseases.
Potassium:Potassium, the third of three elements plays important role in healthy soil nutrition, can greatly increase crop yields. It is essential for plant for its growth. It is essential for photosynthesis and growth of flower. It also helps in protein formation in plants.
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It can make food a must have item because the more people there is, the more food the community will need to have
Prices of steel and aluminium prices will depend on the market demand and supply.
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Explanation:
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The manufacturing industries are mainly depending on the steel as major source of raw material. The main reason for the demand of the steel will increase if the infrastructure development in the society. And it also reflects the economic boom happening in the society.
So if the demand of the steel increases because of various reasons like wage rise and demand for raw material like iron ore. In the event of price rise of steel the aluminium will be the next alternate for steel in the infrastructure development. So, if there is demand for steel arises automatically the aluminium prices will also increase.
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<span>The collapse of communism and the rise of ethnic strife plunged the southern fringes of the former Soviet Union into turmoil, particularly in the Caucasus where some 1.5 million people had been forced from their homes in Georgia, Armenia and Azerbaijan.</span></span>