Answer:
Poor working conditions, low wages, and hazards of industrialization
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The job that might be held by someone in a mid-level caste is :
Doctor
Housekeeper and farmer held by those in lower-level caste, while priest is held by those in upper-level
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Answer:
Research is practical and realistic because it is based on the scientific method, which demands that research should be start with an hypothesis, that should be falsifiable (meaning that it can be proven right or wrong), followed by a scientific study in which the hypothesis is tested.
If the hypothesis is proven to be true, it does not mean that is conclusions will hold true for eternity, they could be proven wrong by further studies.
For this reason, research is both practica, because it is based on a practical method: the scientific method, and realistic, because it has a limited scope, and limited, verifiable understanding of reality, and can be proven wrong with other studies.
Deforestation is when people cut down trees (which means less oxygen for the people). Soil degradation associated with poor soil fertility management practices is a major factor underlying poor agricultural productivity in sub-Saharan Africa. About 65% of the agricultural land is degraded, mainly due to low nutrient application, soil erosion and soil acidification.
