weather???

Plant root grow in a rock and cause it to split.

• Weathering

• Erosion

• Deposition

A fast-moving river carries rocks downstream.

• Weathering

• Erosion

• Deposition

Waves dropping sand on the beach.

• Weathering

• Erosion

• Deposition

Flood water pounds against a wall and wears it down.

• Weathering

• Erosion

• Deposition

Wind blowing sand from one location to another.

• Weathering

• Erosion

• Deposition

Layers of sediment forming at the bottom of the ocean.

• Weathering

• Erosion

• Deposition

What is the process in which rock is broken down by changes in its chemical makeup?

• physical weathering
• chemical weathering

What agent of chemical weathering, causes rocks to break down and change composition?

• burrowing animals 
• roots of plants
• acid rain
• wind abrasion 

Physical weathering can be caused by water or wind and is also known as...

• mechanical weathering
• chemical weathering

Burrowing animals can move soil and rock to the surface which exposes rocks and can cause...

• physical weathering
• chemical weathering