Questions: 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.

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.
Transcript text: 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.
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Solution

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The answer is the second one: Increased runoff can pollute bodies of water.

Explanation for each option:

  • Food can be produced in dry areas: This is a positive impact of irrigation, as it allows for agricultural production in regions that would otherwise be unsuitable for farming.
  • Increased runoff can pollute bodies of water: This is a negative impact of irrigation. When water is applied to farmland, it can carry fertilizers, pesticides, and other pollutants into nearby rivers, lakes, and streams, leading to water pollution.
  • Food can be produced through drought years: This is another positive impact of irrigation, as it helps maintain food production even during periods of low rainfall.
  • Water can improve the livelihood of farmers: This is also a positive impact, as access to irrigation can increase crop yields and income for farmers.

Summary: The best description of a possible negative impact of irrigation of farmland is that increased runoff can pollute bodies of water.

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