Which statements best describe how the author uses more than one structure to present information in “From Barter to Bitcoin”?
Select the two correct answers.
A. The author contrasts different types of early money to show how some countries were more advanced than others.
B. Problem-and-solution structure is used to explain why debit cards are most popular today.
C. A chronological structure is used to trace the evolution of currency from past to present.
D. The author uses comparison to show how the value of bitcoin can vary wildly.