The Missouri River is considered the longest river in North America, stretching about 4,370 km (2,160 miles) from its source in the Rocky Mountains to its confluence with the Mississippi River.
What is the longest river in North America?
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This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.