Radiocarbon dating a. Works only on organic material. B. Depends on a half life of 5,730 years. C. Is accurate to 70,000 years. D. All of the above.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

the answer is true. i hope this .