Are the commas in the correct place?

If you had read the label carefully, you wouldn’t have bought the expired product.what does it means? a. you didn’t buy the expired product because you read the level carefully.b. you didn’t read the label carefully so you bought the expired product.

Me answer all of these! i’m failing in ela

An author describes a new character as having hooded eyes wild movements and relentless energy which word best describes the impression other characters would have of the new character