Asked by bob
Which best describes a possible negative impact of irrigation of farmland?
Food can be produced in dry areas.
Increased runoff can pollute bodies of water.
Food can be produced through drought years.
Water can improve the livelihood of farmers.
All Answers 1
Answered by
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Increased runoff can pollute bodies of water.
Irrigation runoff can carry fertilizers, pesticides and sediments into rivers and lakes, causing nutrient pollution, algal blooms and harm to aquatic ecosystems.
Irrigation runoff can carry fertilizers, pesticides and sediments into rivers and lakes, causing nutrient pollution, algal blooms and harm to aquatic ecosystems.
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