Science

posted by Izzie

1. Which of the following illustrates mechanical weathering?

A.Carbonic acid weathers marble and limestone.
B. As plants grow, they produce weak acids that slowly dissolve rock**
C. Oxidation causes weathering in rock
D. Repeated freezing and thawing in rocks causes weathering

2. A deep canyon in the ocean floor is called

A. abyssal plain
B. seamount
C. trench**
D. continental shelf

  1. Ms. Sue

    1. a - no
    2. c - yes

  2. Izzie

    I chose B for 1

  3. Ms. Sue

    Sorry -- I had a typo.

    1 B is not right. Acids are not part of mechanical weathering.

  4. Helper

    1. D
    2. C

    Trust me I'm correct.

  5. Kaden

    Helper is correct, thanks!

  6. Anonymous

    It's S on 1

  7. Blah

    If you are on connexus lesson 3 quiz unit 4 These answers are 100% correct I just took the quiz

    1. B
    2. A
    3. D
    4. A
    5. D
    6. C
    7. D
    8. C

    Hope you guys have fun!

  8. ambern

    Thanks

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