Lake Michigan and Lake Huron have the same surface elevation of ___ feet

Question

577?

The ___ Channel connects Lake Huron Lake St Clair and Lake Erie
South?

Niagara Falls is between Lake Erie and Lake __
Ontario?

Lake Ontario is connected to the St Lawrence Seaway a series of ___
7 locks?

Answer 1

1 and 3 are correct. I don't know how many locks are between Lake Ontario and the Seaway.

http://www.riverlorian.com/greatlakes.htm

http://www.greatlakes-seaway.com/en/seaway/locks/index.html

Answer 2

Okay Thank you

Answer 3

You're welcome.