THE AUTHOR IS MAINLY INTERESTED IN

39. - DE THI THU HAY CHON LOC DE THI THU TANH CO D AN
DE THI THU HAY CHON LOC DE THI THU TANH CO D AN
39. The author is mainly interested in: A. the time when the man first evolved from apes. B. what has happened since the Industrial Revolution. C. the effects of farming. D. the periof before the last Ice Age.