How do venting requirements differ between gas and electric clothes dryers?

How do venting requirements differ between gas and electric clothes dryers?

• A. Gas dryers vent combustion byproducts outdoors with proper sealing.
• B. Electric dryers vent combustion byproducts outdoors with proper sealing.
• C. Gas dryers vent like electric dryers but with extra filters.
• D. Electric dryers require external venting with combustion products outdoors.

Answer: (A)