Question

fix any punctuation or capitalization errors below. click \submit answer\ if there are none.
captain america decided to dig a well in his backyard however, he realized he did not own a shovel.

Explanation:

The sentence contains two independent clauses joined by the conjunctive adverb "however." To correct this, we need to place a semicolon before "however" and a comma after it to properly separate the two complete thoughts.

Answer:

Captain America decided to dig a well in his backyard; however, he realized he did not own a shovel.