Which of the following types of sewage treatment are properly matched?
a. primary--removal of pollutants particular to a given area
b. secondary--removal of oxygen-demanding wastes
c. advanced--removal of suspended solids
d. primary - removal of oxygen-demanding wastes
e. primary and secondary both - removal of pollutants particular to a given area
B
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Which reptile group is considered to be the immediate ancestor of mammals?
a. captorhinomorphs b. pelycosaurs c. labyrinthodonts d. therapsids e. coelacanths
Which element would be surprisingly considered a trace element in the ocean despite its abundance in the
atmosphere? a. sodium b. nitrogen c. calcium d. chloride e. oxygen
Which of the following describes the relationship between glucose 6-phosphate and fructose 6-phosphate?
A) They are anomers. B) They are enantiomers. C) They are isomers. D) There is no special relationship between them.
In a hurricane’s ____________________ skies are often clear or partly cloudy
Fill in the blank with correct word.