1. weathering
2. a. physical
b. chemical
c. Plant roots and burrowing animals exert pressure on rocks.
3. a. Water and carbon dioxide react chemically with many rocks.
b. Minerals formed from a plutonic volume of tectite, dissolve some rock minerals.
4. a. The presence of weathered rock, organic matter, water, and air that supports the growth of plant life.
b. Climate influences soil development.
c. The high temperature in tropical regions increases the rate of weathering forming soil more quickly than in deserts.
d. Rocks take perhaps thousands of years to break into soil.
e. Human activities affect soil development.
Parent Tip: Review the logic above to help your child master the concept of weathering and erosion worksheet answers.