What are alkanes?
a. Compounds whose molecules are composed of only carbon and hydrogen atoms
b. Compounds whose molecules are composed of carbon, hydrogen, and benzene rings
c. Compounds that contain only carbon-to-carbon single bonds
d. The bonding electron of each carbon atom is shared with a valence electron from other atoms
C
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To prepare for a situation where infectious material has been spilled, a simple kit can be assembled with all of the following EXCEPT
a. plain clay kitty litter. b. plain dry dog food. c. a small dust pan. d. a biohazard bag.
An estimated 40% of older adults have a deficiency of the following nutrient, mostly as a result of malabsorption from decreased hydrochloric acid in the stomach (achlorhydria)
A) Calcium B) Sodium C) Vitamin D D) Vitamin B12