HISTORY
HISTORY OF THE MIDDLE EAST
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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many citizens in rural locations have had to move to urban areas
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Many countries have had to decrease oil production
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many people are unable to have fresh drinking water
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many cities are unable to trade with each other
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Detailed explanation-1: -Oil refineries, paper factories, textile and sugar mills, chemical factories are responsible for water pollution.
Detailed explanation-2: -Contaminated water and poor sanitation are linked to transmission of diseases such as cholera, diarrhoea, dysentery, hepatitis A, typhoid and polio.
Detailed explanation-3: -Water pollution questions-What types of freshwater pollutants are there?-What are the properties and dangers of water pollutants?-Where does water pollution come from?-What are the specific ways through which water pollutants enter the environment?
Detailed explanation-4: -Water pollution has the following advantages: helps in disposing harmful materials off the land surface and is inexpensive. Disadvantages of water pollution include: waterborne diseases, death of aquatic life and hindrance to boating activities.