Answer: A river gives the inhabitants a reliable source of water for drinking and agriculture. Additional benefits include fishing, fertile soil due to annual flooding, and ease of transportation. The first great civilizations, such as those in Mesopotamia and Egypt, all grew up in river valleys.
Explanation:
Agriculture is an important<span> human activity across the </span>Interior Plains region. Farmersgrow<span> a variety of </span>crops<span>, including wheat, canola, barley, alfalfa, and oats. Dairy farms are found across Alberta, Saskatchewan, and Manitoba.</span>
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