According to Robert Heilbroner, the human future looks grim because of
a. the increasing exhaustion of irreplacable resources
b. rapid population growth
c. increasing moral individualism
d. two of these
Question 2
According to Malthus's predictions about food production
a. increases in subsistence will take place arithmetically rather than geometrically.
b. with proper encouragement, agriculture should be able to match the demands of an expanding population.
c. human beings will be unable to increase their food production.
d. increases in subsistence can take place geometrically with the best possible policy.
Human immunodeficiency virus (HIV)
A section through the human brain
Four cutaneous receptors that occur in human skin.
Human salivary alpha amylase test.
Human arrival and the extent of the recent extinction wave
Current and future trends and impacts (IPCC)