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South Asia faces several environmental challenges. One of these is _____________________________________________ It is caused by ______________________________ and is dangerous because _______________________________________________.
Another is ______________________________ ____________________________________________________________. Which is dangerous because______________________________________.

Climate change is also a threat to South Asia. It___________ ___________________________________________________________________________________________________.

One of these is air pollution. It is caused by vehicle emissions, industrial activities, and burning of fossil fuels, and is dangerous because it can lead to respiratory problems and other health issues.

Another is deforestation and habitat destruction. Which is dangerous because it leads to loss of biodiversity and disrupts ecosystems.

Climate change is also a threat to South Asia. It causes extreme weather events, such as floods, droughts, and heatwaves, which can have devastating impacts on communities and agriculture.

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The caste system is a hierarchical ____ structure based on family status and ___ . A person's caste is ____ , and there is no element of choice. People in ___ castes are generally treated better than people in ___ castes.

The caste system is a hierarchical social structure based on family status and ancestry. A person's caste is determined at birth, and there is no element of choice. People in higher castes are generally treated better than people in lower castes.