The picture shows the histogram of world population growth from 1960 to 20 10. Look at the picture and complete questions 4 1 ~ 43. In 20 10, the world population will reach () A.40 billion B.50
Human beings have a long history of development. Before 1800, the world population growth was quite slow, and then it entered a period of rapid growth. By the end of 20 10, the total population of the world has exceeded 7 billion. At present, the world population is still growing at a faster rate.
Therefore, choose: d.