Question

fix any punctuation or capitalization errors below. click \submit answer\ if there are none.
sonic the hedgehog went back to canada because, he left his banjo there.

Explanation:

The sentence incorrectly uses a comma after the subordinating conjunction "because" when connecting a dependent clause to an independent clause. No capitalization errors are present, and the final period is correct.

Answer:

Sonic the Hedgehog went back to Canada because he left his banjo there.