Which of the following is true? a. Historians research the past by reading encyclopedias and textbooks. b. Peoples' understanding of the past changes as new sources and perspectives come to light. c. Thanks to the Internet all historical sources are now widely available online. d. History, since it is the study of the past, never changes; a textbook written 50 years ago will be the same as one published today.

Which of the following is true? a. Historians research the past by reading encyclopedias and textbooks. b. Peoples' understanding of the past changes as new sources and perspectives come to light. c. Thanks to the Internet all historical sources are now widely available online. d. History, since it is the study of the past, never changes; a textbook written 50 years ago will be the same as one published today.

	a.	Historians research the past by reading encyclopedias and textbooks.
	b.	Peoples' understanding of the past changes as new sources and perspectives come to light.
	c.	Thanks to the Internet all historical sources are now widely available online.
	d.	History, since it is the study of the past, never changes; a textbook written 50 years ago will be the same as one published today.