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Weathering and erosion?

Can you help me answer these questions please?

Its a crossword puzzle btw the numbers at the end mean how many letters the word is

1. Process where water in rock cracks expands at low temperatures. (8)

2.Plantlike organisms that decay to make acids. (7)

3. Frozen river that erodes slowly (7)

4. Man-made weathering and erosion is caused by _____ such as bulldozers. (9)

5. Tree ______ cause rock weathering. (5)

please help i been stuck on those five question thx a ton

3 Answers

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  • J. J..
    Lv 7
    1 decade ago
    Favorite Answer

    1. Both "Freeze-Thaw" and "Ice Wedging' are not 8 letters. The only 8 letter word that could relate that i can think of is the generic "Physical" weathering.

    2. Lichens

    3. Glacier

    4. Machinery

    5. Roots

  • Anonymous
    5 years ago

    i would see a lot of sand and sand is the result of weathering on rocks. and i would see weird shaped rocks smoothened by wind erosion...well sand plus wind.

  • 1 decade ago

    1 freeze thaw

    2 fungi and lichens

    4 machinery

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