If the population of a country doubles every 25 years, a 1980 population of 10 million will reach 80 million in the year
a. 2005.
b. 2030.
c. 2055.
d. 2080.
e. 2105.
Question 2
Suppose that we allowed each person 1000 m3 of living space in a large building, with ceiling height 3 m.
To the nearest order of magnitude, how many 1000 m high
buildings would have to be built to house the entire population of 8.5 x 1014 people on the
energy-limited Earth if each building's base were 100 km on a side?
a. 101
b. 102
c. 105
d. 108
e. 1013
Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons
Feral Jackson's Chameleon from a population introduced to Hawaii in the 1970s
But tortoises on lusher islands where grass is plentiful and the need to reach into trees not so fre
Results from sequential study of two cohorts tested at three ages and at three different points in t
Chuck Close, Stanley II, detail. 1980–81.
Review of Health and Illness over the Adult Years