Write a hypothesis that describe how you think the rock model with stones will break down.

Weathering

Explanation:

Weathering is the process by which rocks breakdown or dissolve into smaller stones on the surface of the Earth. The agents of weathering are Water, ice, acids, salts, plants, animals.

Once a rock has been broken down, a process called erosion transports the bits of rock away. No rock on Earth is hard enough to resist the forces of weathering and erosion.

Weathering is often divided into two :

1) Mechanical weathering, also called physical weathering and disaggregation, causes rocks to crumble.

2) Chemical weathering changes the molecular structure of rocks and soil.

the answer is:

c. islam and christianity

explanation:

islam and christianity are widely practiced in africa. islam is practiced due to its spread from the middle east into africa, and christianity is practiced due to the colonization of africa by the british empire.