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    The A.P. Environmental Science Test is composed of two sections:

    Section I is worth 60% and consists of 100 multiple choice questions.
     
    Section II is worth 40% and consists of 4 free response questions
     
     
     
    You will be tested on the following topics:

    Earth Systems and Resources (10–15%)

    § Earth science concepts

    § The atmosphere

    § Global water resources and use

    § Soil and soil dynamics

    The Living World (10–15%)

    § Ecosystem structure

    § Energy flow

    § Ecosystem diversity

    § Natural ecosystem change

    § Natural biogeochemical cycles

    Population (10–15%)

    § Population biology concepts

    § Human population

    Land and Water Use (10–15%)

    § Agriculture

    § Forestry

    § Rangelands

    § Other land use

    § Mining

    § Fishing

    § Global economics

    Energy Resources and Consumption (10–15%)

    § Energy concepts

    § Energy consumption

    § Fossil fuel resources and use

    § Nuclear energy

    § Hydroelectric power

    § Energy conservation

    § Renewable energy

    Pollution (25–30%)

    § Pollution types

    § Impacts on the environment and human health

    § Economic impacts

    Global Change (10–15%)

    § Stratospheric ozone

    § Global warming

    § Loss of biodiversity