Question

overpopulation and poor infrastructure led to backed - up sewers and blocked drainage while too many people could not find affordable housing. mining depleted diamond fields so prospectors and businesses left. trash from a larger city nearby overflowed its landfills. malagrotta, italy, suffered air and water contamination and soil pollution. dhaka, bangladesh, experienced floods and the development of shantytowns. kolmanskop, namibia, became a ghost town.

Explanation:

1. For Malagrotta, Italy: The problem states that trash from a nearby larger city overflowed its landfills, which would lead to air, water, and soil pollution. So we match "Trash from a larger city nearby overflowed its landfills." with "Malagrotta, Italy, suffered air and water contamination and soil pollution."
2. For Dhaka, Bangladesh: Overpopulation and poor infrastructure leading to backed - up sewers, blocked drainage, and lack of affordable housing would cause floods and shantytowns. So we match "Overpopulation and poor infrastructure led to backed - up sewers and blocked drainage while too many people could not find affordable housing." with "Dhaka, Bangladesh, experienced floods and the development of shantytowns."
3. For Kolmanskop, Namibia: Mining depleting diamond fields causing prospectors and businesses to leave would result in a ghost town. So we match "Mining depleted diamond fields so prospectors and businesses left." with "Kolmanskop, Namibia, became a ghost town."

Answer:

• Malagrotta, Italy, suffered air and water contamination and soil pollution. : Trash from a larger city nearby overflowed its landfills.
• Dhaka, Bangladesh, experienced floods and the development of shantytowns. : Overpopulation and poor infrastructure led to backed - up sewers and blocked drainage while too many people could not find affordable housing.
• Kolmanskop, Namibia, became a ghost town. : Mining depleted diamond fields so prospectors and businesses left.