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JCCC Environmental Science Test 2 (Menzel) Questions and Answers
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JCCC Environmental Science Test 2 (Menzel)
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JCCC Environmental Science Test 2(Menzel)
6.1 What is Exponential Growth? - answer Growth at a constant rate of increase per unit
of time; can be expressed as a constant fraction or exponent.
6.1 What is the shape of an exponential growth on a graph ? - answer-shaped Curve
7.2 What does I=PAT represent? - answer Environmental Impacts (I) are the product of
our population size (P) times our Affluence (A) and the technology (T) used to produce
the goods we consume.
7.2 Why has there been a significant population boom in the past 200 years? - answer
Scientific and Industrial revolutions.
7.3 What is Demography? - answer Vital Statistics about people such as births, deaths,
where they live, as well as population size.
7.3 What is Crude Birth Rate? - answer The number of births in a year divided by the
mid year population.
7.3 What is Total Fertility Rate ? - answer The number of children born to an average
woman in a population during her entire reproductive life.
7.3 What is Zero Population Growth? - answer When birth and immigration is equal to
deaths plus emigration.
7.3 What is crude death rate (CDR)? - answer The total number of deaths in a year for
every 1,000 people alive in the society.
7.3 What is Natural Increase? - answer the growth rate of a population; the difference
between birthrate and death rate
7.3 What is Total Growth Rate? - answer The net rate of population growth resulting
from births, deaths, immigration, and emigration.
7.3 What is Life Expectancy - answer The average number of years an individual can be
expected to live, given current social, economic, and medical conditions. Life
expectancy at birth is the average number of years a newborn infant can expect to live.
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