like abiotic factors
2007-11-26 12:53:23 · 4 answers · asked by Anonymous in Politics & Government ➔ Politics
Lack of good quality air and then good drinking water.
2007-11-26 12:58:18 · answer #1 · answered by Pablo 6 · 0⤊ 0⤋
Left unchecked, the population would reach the carrying capacity of the land (the ability to grow food and get rid of all the waste). But even before that if people are packed in too tightly, diseases will thin the herd. Also wars generally occur when things get too crowded.
2007-11-26 20:58:24 · answer #2 · answered by Yo it's Me 7 · 0⤊ 0⤋
atmospheric gases and aerosols. But don't ask a global warming denier about it, because they'll tell you smoking doesn't cause lung cancer.
2007-11-26 21:43:29 · answer #3 · answered by avail_skillz 7 · 0⤊ 0⤋
My guess would be disease, food shortages, and war.
2007-11-26 20:57:27 · answer #4 · answered by Anonymous · 0⤊ 0⤋