Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather. Fact 2: Water is a mechanical weathering force. Given the two facts above, what breaks rocks down?
Choices:
1). In the winter
2). Calcium carbonate
3). an engine
4). the Great Barrier Reef
5). mechanical force
6). permineralization
7). at or near the margins
8). mechanical
5).