In which of the following conditions do valley breezes form?
A. during the night, when the mountain side is relatively warm
B. during the day, when the mountain side is relatively cold
C. during the night, when the mountain side is relatively cold
D. during the day, when the mountain side is relatively warm
Answer: D
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Glider A of mass of 1 kg and speed 1 m/s on a friction-free air track collides with a 5-kg glider B at rest. For an inelastic collision the combined-glider speed will be
A. 1/5 m/s. B. 1/4 m/s. C. 1/6 m/s. D. 1 m/s.
Which natural law explains why there is more energy at the trophic level occupied by wolves and bears then the trophic level represented by deer and mice?
A. Second law of thermodynamics B. Law of conservation of energy C. Law of conservation of momentum D. Law of gravity
The annual march of the seasons and the passage of the subsolar point between the Tropics of Cancer and Capricorn affect these stations. Can you detect from your temperature graphs these seasonal effects? Explain.
The continental rise is located ________
A) at the top of a mid-ocean ridge B) at the top of the continental slope C) at the seaward edge of a deep ocean trench D) between an abyssal plain and continental slope