Identify the choice that is a run-on sentence. Rubber, which is inexpensive and durable, is used to make car tires.
O Aluminum is a lightweight metal steel is a very heavy metal.
Cars used to be made mostly of metal parts, but now plastic makes up about half of the construction of new cars.
Steve collects antique cars; he especially likes to restore classic muscle cars.

He united states can produce 200 pillows in one week, while spain and france produce 150 and 100 pillows, respectively, in one week. on the other hand, spain can produce 10 televisions in one week, while the united states and france produce only 5 and 4 televisions, respectively. has an absolute advantage in producing pillows, and has an absolute advantage in producing televisions.