Choose the answer that describes biological weathering.

Question

acid in water acting on limestone

lichen growing on rocks

salt crystallization forming tafoni

stone and boulders moved by water

Answer 1

The answer that best describes biological weathering is:

lichen growing on rocks.

Biological weathering involves the actions of living organisms, such as plants, fungi, and microorganisms, contributing to the breakdown of rocks. Lichens, for instance, can secrete acids that break down minerals in rocks, leading to weathering.