What must be present on a rock that undergoes frost wedging
holes around it
sharp edges
a crack
round shape
3 answers
A crack must be present on a rock that undergoes frost wedging. Frost wedging occurs when water seeps into the cracks and freezes, expanding and causing the crack to widen. Holes around it, sharp edges, or a round shape are not necessarily required for frost wedging to occur.
what is the very last stage of physical weathering in rocks
pebbles
sand
pebbles
sand
The very last stage of physical weathering in rocks is the formation of sand. Over time, as rocks undergo various physical weathering processes such as frost wedging, pressure release, or abrasion, they gradually break down into smaller pieces. These smaller pieces eventually become sand particles.