Question

Examine the infographic and image below. Why is a lock system used for the transportation of goods along the St. Lawrence Seaway?

Group of answer choices

A. To control the speed of ships.

B. To allow shipping along a water route that has drastic changes in elevation.

C. To protect communities from flooding.

D. To prevent coastal erosion.

Answer 1

In a time before railroads and highways, the Great Lakes and St. Lawrence River served as the primary transportation system

Step-by-step explanation:

Answer 2

The correct answer is: B.

The lock system is used for the transportation of goods along the St. Lawrence Seaway to allow shipping along a water route that has drastic changes in elevation.

The St. Lawrence Seaway is a navigable waterway that connects the Atlantic Ocean to the Great Lakes. It is a crucial route for shipping goods between the interior of North America and international markets.

Locks are structures that raise or lower water levels, allowing ships to move between different elevations of a waterway. Along the St. Lawrence River and Seaway, there may be significant changes in elevation. Lock systems are typically employed in waterways with varying elevations to enable the passage of ships through areas of different heights.

Therefore, the correct answer based on the information provided:

B. To allow shipping along a water route that has drastic changes in elevation.