Which of the following was created by volcanic activity?

can you attach the graph and answer options (:

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."

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.

agriculture revolution