Question

How does moss, algae and lichen cause the disintegration of rocks?

• A. They grow on rocks and slowly weaken them before they eventually disintegrate.
• B. It leads to oxidation and rusting of rocks.
• C. It leads to the peeling away of external rock surface due to pressure and temperature changes.
• D. It leads to hydration weathering of rocks.

Answer 1

The correct option is A They grow on rocks and slowly weaken them before they eventually disintegrate.

Organisms such as moss, algae, lichen that grow on rocks can cause the disintegration of rocks. All of these organisms can also work to make rocks weaker and eventually disintegrate them.