1. ice wedging is to mechanical weathering as _______ is to chemical weathering.

2.______ is to increase surface area as chemical weathering is to changed minerals.

3.Weathering is to water and temperature as______ is to physical, chemical and biotic factors.

4. Acid rain is to ______ as abrasion is to mechanical weathering.

5. Chemical and mechanical are to _______ as rain and snow are to precipitation.​