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quiz no.1

Quiz by MARINA LANGREO

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5 questions
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  • Q1

    1.oxygen is a gas produced by -----and used by -----.

    d

    c

    a

    b

    30s
  • Q2

    2.what waste product released during the carbon dioxide-oxygen cycle is necessary for the  survival of animals.

    d

    c

    b

    a

    30s
  • Q3

    3.evaporation , condensation,and precipitation are all parts of the.

    a

    b

    d

    c

    30s
  • Q4

    4.what is the most common way that nitrogen fixation occurs?

    d

    a

    c

    b

    30s
  • Q5

    5.organic nitrogen is converted back to inorganic nitrogen like ammonium through the process of

    c

    b

    a

    d

    30s

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