What is an erosional unconformity with parallel beds or strata above and below?
A. phanerozoic
B. pebbles
C. unconformity
D. disconformity
E. none of the above
D. disconformity
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You drop a big fluffy pillow from the roof of your building. During its long fall to the ground its acceleration
A. increases. B. remains the same. C. decreases. D. not enough information
Which of the following is an unsaturated fatty acid?
A) arachidonic acid B) palmitic acid C) stearic acid D) none of these
Which of the following is true of radiation?
a. It is a form of energy that is transmitted as waves. b. It cannot be seen by humans at all. c. It only occurs in a shortwave form. d. It only occurs in longwave form.
Hale discovered that sunspots were associated with magnetic fields. What happens to these magnetic fields during a full sunspot cycle?
A) They change polarity. B) They get weaker. C) They get stronger. D) They die away.