Changes in day length, the Sun's altitude above the horizon, and the Sun's declination over the course of the year
A) are factors that follow an irregular, random cycle.
B) are phenomena that occur only at the equator.
C) have little overall effect or importance in physical geography.
D) are responsible for the seasons.
E) produce Earth's rotation.
D
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As a hot iron ring cools, the diameter of the hole
A. decreases. B. increases. C. remains the same. D. indeterminate
How many covalent bonds would the following atom usually form?
A. 1 B. 2 C. 3 D. 5 E. would usually not form any covalent bonds
Cool currents can be found ________
A) in the Arctic B) on the east coasts of continents C) on the south coasts of continents D) on the north coasts of continents E) on the west coasts of continents
Any buoyant parcel of air is said to exhibit ________
A) advection B) stability C) instability D) a moist adiabatic lapse rate E) a dry adiabatic lapse rate