Answer:
Explanation: A compound sentence has at least two independent clauses, and they are separated by a comma and a coordinating conjunction.
A complex sentence contains an independent clause and at least one dependent clause, but they are not separated by a comma.
Example Compound sentence: 1. I went to the store, and I bought groceries.
2. The work crew arrived late, but they made sure to finish the job.
Example Complex sentence: 1. I went to the store and bought groceries.
2. The work crew arrived late but finished the job.