26. ______ is a mass movement
where soil moves slowly
downhill because of gravity. The
changes of landforms happen so
slowly that they’re hard to
observe directly.
27.
28. A _____ is a large hole in the
ground that opens suddenly. It
forms after rock under the
surface has dissolved or become
weak.
29.
30. What kind of landform can be
formed when a glacier begins
melting back and deposits the
sediments it has been
carrying with it?
31.
32. A _______ is mass movement
that moves dry rock and soil
downhill quickly.
33.
34. What kind of landform can be
formed by deposition of
sediment from an
underwater volcano?
35.
36. What kind of landform can
be formed by the eroding
force of a river channel?