Physical Science

posted by Amber

1) Carbon dioxide is obtain from the air and changed into carbohydrates oxygen during the process of

fossilization.
respiration.
digestion.
photosynthesis.

2) Which sequence of processes must occur for an atom of carbon to go from car to tree?

respiration, decomposition.
combustion, photosynthesis.
fossilization, decomposition.
fossilization, photosynthesis.

  1. Damon

    Please guess yourself and put an arrow beside your answer. <------
    I am sure you know.

  2. Amber

    Can someone help me =.=

  3. MileenaLuz

    I Guess....

    1) respiration.
    2) fossilization, photosynthesis.

  4. Damon

    1 is photosynthesis
    Plants take in CO2 and produce O2

    2 is combustion - photosynthesis (the giveaway is the car burning fuel)

  5. Anon

    a
    d
    d
    b

  6. Anonymous

    thanks anon!!! 100!!!

  7. Pseudonym

    If you are in Connexus, these are the answers.

    1.) A

    2.) D

    3.) D

    4.) B

  8. john

    For everyone who is stupid answers are


    1. A

    2. D

    3. D

    4. B

  9. Secret

    1.a
    2.d
    3.d
    4.b

  10. Myla

    Is this for unit 3 lesson 7?

  11. im just a girl that has no friends

    1.A
    2.D
    3.D
    4.B
    i got 100%

  12. Anonymous

    100!

  13. Lizard

    John calls us stupid, when he/she is stupid as well. They're looking up answers on a homework help site, but this homework help site is mostly just cheating now.

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