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Envi. Sci. Module 3 Summative Assessment

Quiz by Melva D. Borja

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15 questions
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  • Q1
    Where does the energy to drive the hydrologic cycle come from?
    the sun
    plate tectonics
    Earth's interior
    photosynthesis
    30s
  • Q2
    The amount of precipitation that soaks into the soil depends on
    o whether or not there are plants around.
    whether the soil is wet or dry.
    all of the choices
    how long the rain lasts.
    30s
  • Q3
    The amount of water on Earth is __________.
    constantly changing.
    steadily decreasing.
    steadily increasing.
    always the same.
    30s
  • Q4
    Scientists feel that human activity has affected and possibly altered the natural process of the carbon dioxide-oxygen cycle that nature had previously kept in balance. In recent history, how have humans added more carbon to the carbon dioxide-oxygen cycle?
    By burning fossil fuels like coal and oil
    By the rapid growth of plant producing farms
    By releasing massive amounts of oxygen
    By preventing heat from escaping the Earth
    30s
  • Q5
    What causes an increase in the oxygen level in the atmosphere?
    Oxygen inhaled by animals
    Oxygen taken in plants
    Oxygen released by plants
    Oxygen released by animals
    30s
  • Q6
    All of the following add carbon to the atmosphere EXCEPT –
    constructing new highways
    burning wood
    planting more trees
    building more factories
    30s
  • Q7
    What is the most common way that nitrogen fixation occurs?
    forest fires
    fossil fuel combustion
    lightning
    nitrogen fixing bacteria
    30s
  • Q8
    Synthetic fertilizers add _____________ to the soil.
    nitrogen oxides
    Rhizobium bacteria
    fixed nitrogen (ammonium)
    organic nitrogen
    30s
  • Q9
    Eutrophication in coastal waters can cause an increase in
    harmful algal blooms
    respiratory diseases in fish
    agricultural productivity
    denitrification
    30s
  • Q10
    Phosphorus is difficult for plants and animals to access in nature because _________.
    it is typically found as a phosphate.
    most phosphorus in the environment is bound to carbon, nitrogen, and hydrogen.
    most phosphorus in the environment is stored in reservoirs.
    it reacts quickly with other elements, like oxygen.
    30s
  • Q11
    Without phosphorus, living beings cannot grow, reproduce, or move. This is because phosphorus
    is needed for energy transport in cells.
    forms part of the structure of DNA and RNA.
    provides structure to cell membranes.
    all of the choices
    30s
  • Q12
    Which of the following statement is correct about Phosphorus Cycle?
    The phosphorus cycle is made up of many, smaller cycles.
    Fungi, plants, and animals are the main converters of elemental phosphorus to phosphates.
    Phosphates in solution can only move into soil.
    The phosphorus cycle moves in one direction – from soil to plant to animal.
    30s
  • Q13
    Sulfur can be added to the atmosphere by
    decomposition
    respiration
    nitrogen fixing bacteria
    burning coal, oil and gasoline
    30s
  • Q14
    How are humans trying to be proactive in reducing our sulfur emission?
    Increasing metal mining
    By refining fossil fuels in factories
    By using clean coal
    By producing acid rain
    30s
  • Q15
    How is Sulfur Dioxide NOT created?
    Burning coal
    Volcanoes
    Smelting
    Compressing ocean rocks
    30s

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