Earth's Systems and Resources
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Questions and Answers

What is the concept of the totality of Earth's ecosystems referred to as?

  • Closed System
  • Gaia Hypothesis (correct)
  • Biosphere
  • Lithosphere

    • What is included in the definition of natural resources?

  • Only mineral resources
  • Only energy resources
  • Animal and plant resources, as well as human resources (correct)
  • Only air and water

    • What is the primary way energy is lost from the Earth?

  • Geothermal energy dissipation
  • Reflection of solar radiation by the atmosphere (correct)
  • Solar radiation absorption by the oceans
  • Tidal energy dissipation

    • What is the main categorization of mineral resources?

    <p>Metals and non-metals</p> Signup and view all the answers

    What is the term for the Earth's solid portion?

    <p>Lithosphere</p> Signup and view all the answers

    What is the primary consequence of converting productive lands into residential and industrial zones?

    <p>Reduced vegetation and wildlife habitat</p> Signup and view all the answers

    What is the primary function of the Earth's atmosphere?

    <p>Regulating the Earth's temperature</p> Signup and view all the answers

    What is the primary objective of sustainable development?

    <p>To ensure the long-term health of the planet</p> Signup and view all the answers

    What is the primary characteristic of the Earth as an ecosystem?

    <p>It is a closed system with limited resources</p> Signup and view all the answers

    What is the primary consequence of urbanization on the environment?

    <p>Elimination of wildlife habitat</p> Signup and view all the answers

    What is the primary goal of identifying major global problems?

    <p>To develop strategies for sustainable development</p> Signup and view all the answers

    What is the estimated number of species on Earth, according to the text?

    <p>5-100 million</p> Signup and view all the answers

    What is the primary cause of loss of biodiversity, according to the text?

    <p>Deforestation and land conversion</p> Signup and view all the answers

    What is the name of the period when spore-bearing plants dominated, according to the text?

    <p>Carboniferous Period</p> Signup and view all the answers

    What is the main consequence of overpopulation, according to the text?

    <p>Pressure on natural resources</p> Signup and view all the answers

    What is the pH level of acid rain, according to the text?

    <p>5.5 or lower</p> Signup and view all the answers

    What are the two main causes of acid deposition, according to the text?

    <p>Sulfur oxides and nitrogen oxides</p> Signup and view all the answers

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