The principle of ________ holds that, in a stack of horizontal layers the oldest layer is on the bottom and the layers become younger upward.
A. superannualation
B. superposition
C. supposition
D. bedding
E. original horizontality
Answer: B
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What percentage of synthetic chemicals commonly used today has been adequately tested to determine if they are mutagen, carcinogen, or teratogen?
a. almost 90% b. 75% c. 50% d. 25% e. 2%
If a rock is subjected to differential stress, then it means that
A) forces are pushing inward from all directions by the same amount. B) stresses are pushing outward from all directions by the same amount. C) stresses are pushing inward from all directions by the same amount. D) the amount of stress is greater in some directions than in others.
Compare and contrast Himalayan-style orogenesis and Andean-style orogenesis. What
differences would you expect in these two major mountain chains as a result of these differences? What will be an ideal response?
An object at radiative equilibrium temperature is behaving as a ____
A) selective absorber B) blackbody C) light reflector D) greenhouse gas