Question

Which type of weathering involves the outer layers of rock peeling off due 1

to the rock expanding as it is heated and contracting as it cools?

Hydration

Exfoliation

Oxidation

Tree Root Action

Answer 1

Insolation weathering

Step-by-step explanation:

Expansion of rock surface when heated by the Sun followed by contraction as the temperature falls can allegedly weaken bonds along grain boundaries and cause subsequent flaking off of rock fragments or dislodging of mineral grains. This is called insolation weathering.

Answer 2

Exfoliation

Step-by-step explanation:

it peels of my teacher said it like an onion