Discussion
Consider the following statements about haze droplets.
1. They are in stable equilibrium below the Kohler peak.
2. They grow and shrink as the ambient humidity changes.
3. They will grow indefinitely at any subsaturated humidity.
Answer: B
Correct answer: 1 and 2 only
Statements 1 and 2 describe haze droplets correctly: below the Kohler peak the equilibrium is stable, so a droplet that grows finds the required humidity has risen and stops, and it tracks the ambient humidity up and down. Statement 3 contradicts that stability - unactivated droplets remain small, which is exactly why haze is a haze and not a cloud.
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