being burried under soil and mud changes how what forms?
cacti deltas fens potash bamboo rivers roots mildew
A B C D E F G H
Fens form non-acidic peat.
being burried under soil and mud changes how fens form
being burried under soil and mud changes how what forms? (A) cacti (B) deltas (C) fens (D) potash (E) bamboo (F) rivers (G) roots (H) mildew