To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

A. have to know a great deal more than now about the social and economic

B. have to know a great deal more than they do now about the social and economical

C. would have to know a great deal more than they do now about the social and economical

D. would have to know a great deal more than they do now about the social and economic

E. would have to know a great deal more than now about the social and economic

Question

Cordell King

8 November, 02:18

+5

Answers (1)

Know the Answer?

Karter Owen · Answer 1

B

Explanation:

have to know a great deal more than they do now about the social and economical