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Grade 8 human impact on earth

Quiz by Andrea Conley

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20 questions
Show answers
  • Q1
    What is the main cause of climate change on Earth?
    Excessive use of fossil fuels by animals
    Changes in the Earth's orbit and tilt
    Greenhouse gas emissions from human activities
    Natural fluctuations in the Sun's energy output
    30s
  • Q2
    What is deforestation?
    The use of forest resources sustainably
    The study of forest ecosystems
    The clearing of forests for human use or settlement
    The planting of new forests for conservation
    30s
  • Q3
    What is pollution?
    The natural decay of organic matter
    The release of harmful substances into the environment
    The use of renewable resources
    The growth of plants and animals in an ecosystem
    30s
  • Q4
    What is an example of non-renewable energy?
    Coal
    Hydro
    Solar
    Wind
    30s
  • Q5
    What is the purpose of the Montreal Protocol?
    To prevent ocean acidification
    To reduce greenhouse gas emissions
    To protect the ozone layer from depletion
    To promote sustainable agriculture
    30s
  • Q6
    What is eutrophication?
    The excessive growth of algae and other aquatic plants due to nutrient pollution
    The removal of nutrients from the environment
    The process of nutrient cycling in an ecosystem
    The development of new aquatic species
    30s
  • Q7
    What is overfishing?
    The removal of invasive fish species
    The harvesting of fish faster than they can reproduce
    The use of sustainable fishing techniques
    The release of fish back into the wild
    30s
  • Q8
    What is urbanization?
    The expansion of rural areas
    The decline in population in urban areas
    The growth of cities and towns due to migration and population growth
    The creation of suburban areas
    30s
  • Q9
    What is desertification?
    The process of land becoming desert due to overuse, climate change, or natural disasters
    The growth of vegetation in arid regions
    The removal of sand and other debris from deserts
    The creation of deserts through human intervention
    30s
  • Q10
    What is sustainable development?
    Developing the environment without regard for future generations
    Protecting the environment at all costs
    Using renewable resources exclusively
    Meeting the needs of the present without compromising the ability of future generations to meet their own needs
    30s
  • Q11
    What is a nonrenewable resource?
    Solar energy
    Wind energy
    Hydro energy
    Fossil fuels
    30s
  • Q12
    What happens when too much waste is put into landfills?
    It can contaminate soil and water
    It will turn into compost
    It will decompose quickly
    It will create more land
    30s
  • Q13
    What is the main cause of deforestation?
    Forest fires
    Clearing land for agriculture
    Lack of rainfall
    Volcanic eruptions
    30s
  • Q14
    What is the main cause of global warming?
    Water pollution
    Greenhouse gas emissions
    Soil erosion
    Air pollution
    30s
  • Q15
    What is an example of a renewable resource?
    Coal
    Oil
    Wind energy
    Natural gas
    30s

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