because they protect your ship from crashing.
no it is a series of locks ,channels,and canals
Locks on canals are used as a means of effectively going up or down hill. Water will always find its own level, therefore letting water flow into a system of locks allows gradients to be navigated by the vessels using the waterway. The number of locks will depend on how flat or otherwise the land needed to be passed through!
Locks exist on the St. Lawrence river because you need leveled water to sail or barge.
Atlantic Ocean
elevation between the areas is different
The St. Lawrence Seaway is approximately 2,340 miles long. It extends from the Atlantic Ocean at the Gulf of St. Lawrence, through the St. Lawrence River, and into the Great Lakes, facilitating navigation for ocean-going vessels. The seaway itself includes a system of locks and channels that allow ships to traverse varying water levels.
The Gulf of St. Lawrence is east of the St. Lawrence River.
A.) Chesapeake Bay Seaway B.) American-Canadian Seaway C.) Great Lakes-St. Lawrence Seaway D.) St. Lawrence River Locks
The St. Lawrence Seaway.
The Gulf of St. Lawrence is east of the St. Lawrence River.
The Gulf of St. Lawrence is east of the St. Lawrence River.