Write check if the statement contribute to weathering and cross out x if not.

1. When it gets colder, the water can expand and turn into ice.
2. When rocks are exposed to varying temperature it expands.
3. The repeated exposure and contraction of rocks due to change in
temperature results in weathering.
4. Metabolic or life process of these living organisms will cause the gradual
breakage of rocks into smaller pieces.
5. Subdivision developers use bulldozers to flatten the mountain or hills.
6. Plants like fern and mosses can also break rocks.