Question

water pollution is a significant environmental issue in africa. what is not a source of water pollution in africa? a. industrial waste discharge into rivers and lakes b. agricultural runoff containing pesticides and fertilizers c. untreated sewage entering water sources d. building clean water wells in villages

Explanation:

Industrial waste, agricultural runoff, and untreated sewage are known sources of water - pollution. Building clean water wells is a measure to provide clean water, not a source of pollution.

Answer:

D. Building clean water wells in villages