35) If you (ask)... me, I would explain it to you.
C. READING
The population of the world has increased more in modern times than in all other ages of history combined.
World population totaled about 500 million in 1650. It doubled in the period from 1650-1850. Today the
population is more than six million. Estimates based on research by the United Nations indicate that it will
increase rapidly in the next twenty_ five years, reaching seven billion in the year 2030.
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