Original sentence: Its drainage basin, sometimes called the Orinoquia''' covers 880,000 km², 76.3% in Venezuela with the rest in Colombia.The Orinoco'', this Venezuelan river, is one of the longest rivers in South America at 2,140 km, (1,330 miles)
Edited sentence: Its drainage basin, sometimes called the Orinoquia covers 880,000 km², 76.3% in Venezuela with the rest in Colombia.The Orinoco is one of the longest rivers in South America at 2,140 km, (1,330 miles)