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20 questions
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  • Q1

    Photosynthesis is an important part of the ______ cycle

    Water

    Answer Image

    Phosphorous

    Nitrogen

    Carbon

    30s
    SEV1c
  • Q2

    In photosynthesis, plants use __________ to make _________

    sugar and CO2; oxygen

    water, sun, and CO2; oxygen and sugar

    nitrogen and water; CO2 and sugar

    water and minerals; sugar and oxygen

    30s
    SEV1c
  • Q3

    Decomposition is part of all cycles except _______

    Question Image

    The Water Cycle

    The Carbon Cycle

    The Phosphorous Cycle

    The Nitrogen Cycle

    30s
    SEV1c
  • Q4

    The factor that causes the most changes to the cycles is ______

    Humans

    Temperature

    Time

    Weather

    30s
    SEV1c
  • Q5

    Earth's atmosphere helps to ___________

    Question Image

    keep radiation out and heat in

    keep heat out and water in

    keep heat in and meteorites out

    keep radiation and heat out

    30s
    SEV1c
  • Q6

    Carbon dioxide is _______________

    used as a fertilizer

    a greenhouse gas

    released from rocks through weathering

    what plants make

    30s
    SEV1c
  • Q7

    Coal, natural gas, and oil are examples of _________

    Question Image
    Users enter free text
    Type an Answer
    30s
    SEV1c
  • Q8

    Oceans and other large bodies of water bind carbon dioxide into ___________

    Users enter free text
    Type an Answer
    30s
    SEV1c
  • Q9

    In the nitrogen cycle, the important work is done by ________

    fungi

    worms

    bacteria

    insects

    30s
    SEV1c
  • Q10

    Too much nitrogen can lead to _____ (choose all that apply)

    Question Image

    algae bloom

    increase in greenhouse gases

    increased cancer risk

    acid rain

    30s
    SEV1c
  • Q11

    Nitrogen is an essential ingredient in _______ 

    carbohydrates

    hydrochloric acid

    lipids

    proteins and nucleic acid

    30s
    SEV1c
  • Q12

    In evaporation, water _______

    Question Image
    Users enter free text
    Type an Answer
    30s
    SEV1c
  • Q13

    Snow, sleet, ice, hail, and rain are examples of _____

    condensation

    evaporation

    precipitation

    ground water

    30s
    SEV1c
  • Q14

    About 5% of the earth's water is freshwater

    false
    true
    True or False
    30s
    SEV1c
  • Q15

    Evaporation of water from plant leaves is called _________

    Users enter free text
    Type an Answer
    30s
    SEV1c

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