The Social Security fund is maintained by a federal tax on the earnings of employed people. Which group of workers should be encouraged to live temporarily in the country?
A) young unmarried males
B) young married couples
C) elderly females
D) retired couples
A
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Which of the following is defined as "heat content"?
A) energy output B) heat loss C) entropy D) solar radiation E) enthalpy
Too little cortisol may lead to
a. hypoglycemia. b. diabetes. c. acromegaly. d. hyperglycemia. e. increased breakdown of fats.
A very deep groove that runs between the right and left cerebral hemispheres is called the ________
A) lateral fissure B) central fissure C) fissure of Rolando D) longitudinal fissure
Which of the following statements about archaea is FALSE?
A) They are prokaryotes. B) They lack peptidoglycan in their cell walls. C) Some are thermoacidophiles; others are extreme halophiles. D) They evolved before bacteria. E) Some produce methane from carbon dioxide and hydrogen.