Commercial centers grew wealthy because of

Using the factors of production to make one product always means that o .) a company may experience a shortage of materials o . )a nation can make more money o. ) it is possible to make too many of that product o. ) fewer resources are left to make something else

Pls will give brainliest and 5star asap pls

Pedestrians,cyclists,skateboarders,and highway construction workers are know as?