How do you know that this example is illogical?

Read the excerpt from black boy wright uses this personal experience to establish

Where are the strongest jet streams located? over high altitudes over land in the lower atmosphere far away from the equator

What is the correct definition of a canal? a) a machine that picks cotton faster b) a large entity that can carry heavy loads c) a man made ditch filled with water d) a boat that can travel up the current