Science, Biology

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ECOLOGY

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    The first World Environment Day was held in which year?

    A. 1971

    B. 1974

    C. 1976

    D. 1978

  • 2. Multiple Choice
    30 seconds
    1 pt

    Environment includes

    A. biotic components

    C. oxygen & nitrogen

    abiotic components

    D. abiotic & biotic components

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    The largest ecosystem of earth is

    A. biome

    B. hydrosphere

    C. lithosphere

    D. biosphere

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