Why does dew form on the ground during clear, calm summer nights?
What will be an ideal response?
Answer: The ground and objects on the ground are net radiators of terrestrial radiation at night (when solar input is absent), so are often cooler than the surrounding air. As air comes into contact with these cold surfaces, it cools. As the air cools below its dew point, water vapor condenses onto the nearest available surface, the ground or a twig or blade of grass.
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__________is the process by which an atmosphere traps heat and raises the temperature of a planetary surface
A) The greenhouse effect B) Global warming C) Differentiation D) The Tyndall effect
Orbital Angular Momentum: What is the greatest magnitude of the orbital angular momentum L that you can find in a state with n = 6?
A. 5.48 
B. 5.92 
C. 6 
D. 6.48 
The Balmer series in hydrogen
A) includes the Lyman series. B) includes both the Paschen series and the Lyman series. C) includes the Paschen series. D) has four lines in the ultraviolet. E) has four lines in the visible.
The typical mountain valley that has been subjected to glaciation is shaped like
A) a semi-circle. B) the letter "U." C) one half of a square. D) the letter "V."