Write any two ways in which the rivers are utilized in North America.​

Studies point out that almost 70 percent of the South American continent is made up of hydrographic basins with naturally navigable rivers, which provide real opportunities to become a strategic factor that favors the transportation of merchandise, economic revitalization, and in general, a comprehensive development

Explanation:

2,407.2 miles. or 32 hours.

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)