1. Compare the terminal velocity of a 10 nanometer particle witha 100 nanometer particle. Which one “falls†through the air faster?What are the approximate speeds of both particles as they “fall?â€Use Equation 2.1 on page 35 in your analysis. Also use Pg = 1.225Kg/m3 and Pp = 1000 Kg/m3.
2. What is “fume fever?â€
3. What are CCNs and how are they affected by nanoparticles?
4. Why is the amount of dimethyl sulfide (DMS) produced byphytoplankton a concern?
5. What are the effects of cosmic rays on Earth’satmosphere?