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Answer:</h2>
Demography is the study of human population.
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Explanation:</h2>
Demography studies most if not all aspects about human population. It checks births, death, sex, migration, etc. and in turn, when we describe the population, it is normally from pertaining to demographic. Demography is also involved in other disciplines such as sociology, economics, statistics, etc.
Through demographics, the necessary departments get to understand people and their needs better. Countries economic decisions is one example that depends on demographic studies. It also affects other areas such as the planning, labor markets analysis, and etc.
Answer:
El Niño is a weather pattern that occurs in the Pacific Ocean. During this time, unusual winds cause warm surface water from the equator to move east, toward Central and South America.
Explanation:
Quality inputs (improved seeds and fertilizers) are essential to raising productivity (yields per unit area planted) under both the rainfed and irrigated conditions. In addition, strong extension and advisory services are important for enhancing the adoption and efficiency of improved inputs.
I think the answer is India