Question 1

a. By what percentage did grain (rice, wheat and maize) consumption per capita increase between 1961 and 1980?

b. What area of R&D had more public investment in developing countries than private investment worldwide in 1995?

c. What was the difference in the expected age at death of a newborn baby and a 65-year-old in England around 1840? What was that difference around 1990?

d. How much extra land was needed to produce twice as much grains and oilseeds worldwide between 1961 and 1998?

e. What woman in chemistry at UC Berkeley became very famous in the last decade? What was she studying in the work that led to her important invention in biotechnology?