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Env. chap.9

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QuestionAnswer
professionals who study and make predictions about human populations are called? demographers
which factor contributed most to the expotential grownth of the human population more food, better hygiene
educating women worldwide has lowered birthrates partly because? because they don't have to bear with children
the 1991 cholera outbreak in Lima, Peru was caused by? unmanaged water sources
an increase in waterborne diseases could possibly be alleviated by? by boiling water
between 1880 and 1930 human population dopubled due to? because migration increased
which disease is often spread through unsafe public water sources? water borne parasites or other diseases
what is a reason that wood is considered a limitted resource in many developing countries? trees are sometimes cut down for fuelwood when there are no dead trees already
scientist predict population sizes by using age structure, suvivorship, fertility rate, and what other thing? migration
Created by: amarantha
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