The truncation of bedding where sedimentary rock layers abut a granite pluton suggests a(n) ________.
A. angular unconformity
B. erosional surface
C. fault
D. metamorphic aureole
E. intrusive contact
Answer: E
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Most of the wheat, rice, and corn raised in the world has resulted from genetic engineering of one sort or another, either by crossing certain varieties or deliberately transferring genes using transgenic techniques
These methods select for plants that produce their own defenses against pests with chemicals or physical barriers. Helping to feed the world, this represents an example of A) cultural control. B) natural enemies control. C) genetic control. D) natural chemical control.
Strain, the amount of deformation undergone by an object, is expressed in rocks by
A) bending. B) breaking and removal. C) folding or faulting. D) metamorphism.
These satellites circle the earth in a north-to-south direction, and obtain images of the entire Earth twice a day by drifting about 15 degrees westward over the earth's surface during each orbit
A) polar satellites B) geostationary satellites C) Doppler satellites D) Automated Surface Observing Systems
The rate of reaction for the decomposition of hydrogen peroxide to yield water and oxygen is given by the equation: Rate = k[H2O2]. Which of the following is indicated by this equation?
A) The rate of the reaction is unaffected by the concentration of H2O2. B) The rate of the reaction will increase with increasing concentration of H2O2. C) The rate of the reaction will decrease with increasing concentration of H2O2. D) none of these