Question

justin noticed several cracks in the sidewalk. Weeds are growing through them, cause the crack to expand. What process is this?

Answer 1

Step-by-step explanation:

Weeds and Small Plant Roots Exploit Existing Concrete Cracks

Instead, the plant's roots take advantage of existing microscopic cracks. New cell growth takes place at the tips of plant roots. ... Eventually, molecule by molecule, the plant's growth can force its way into the slab and create a surface crack.