of smaller trees. This will not solve the problem, however. Perhaps life could not have happened any sooner than it did. No one has ever liked the idea that famine, plague, and war are nature's way of redressing the imbalance - Malthus himself suggested that the operation of "preventive checks which serve to reduce the birth rate, might help prolong the interval between such events (1986. Consequently, the richest deposits of any resource are used first, and then lower-grade deposits are exploited, at an ever-increasing cost. But in the same two centuries world population has grown exponentially while irreplaceable resources were used. All species expand as much as resources allow and predators, parasites, and physical conditions permit.
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It is as if every man, woman, and child in the world had 50 slaves. Localized episodes of such cultural elaboration have do my assignment cheap always been associated with rapid population growth. Fossil fuels contain so much energy that they provide a remarkable return on investment even when used inefficiently. 2,000 Religious Liberty Essay Scholarship Contest. Today's dense population is dependent for its food supply on mechanized agriculture and efficient transportation. Reasons for the abundance of resources that promoted this growth vary from one case to another. Mental abilities of early man: A look at some hard evidence.