Question

In frost wedging, a crack expands when water (Melts/Freezes/evaporates). When the water (Melts/Freezes/evaporates) it can seep into new fissures in the rock.

Fill in the blanks

Answer 1

In frost wedging, a crack expands when water **freezes**. When the water **melts**, it can seep into new fissures in the rock.