To my students,
Here is the update for today...
Regent Chemistry 2:
• Oh my, oh my... You guys really surprised me on your exam performance this time...
• I'm start seeing quite a number of slackers on the HWs... Make up the HW --- NOW! Otherwise I'm going to change the policy to no acceptance of late HW if this rule is being abused...
• Start working on your lab. report #24.
Earth Science 2:
• HW #5 (Due tomorrow)
1. What happens to a rock’s mineral composition during mechanical weathering? During chemical weathering?
2. Name 2 rock characteristics and two climatic factors that affect the rate of weathering.
3. How is increasing level of carbon dioxide in the air affect rate of chemical weathering?
Dr. Liu
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