All of the following are used in secondary sewage treatment EXCEPT
A) trickling filters.
B) sludge granules or floc formation.
C) aeration.
D) anaerobic digestion.
E) activated sludge.
D
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Which of the following statements about primates is true?
a. Prosimians are typically nocturnal. b. Prosimians are larger than anthropoids. c. Prosimians have larger brains than anthropoids. d. Prosimians include monkeys, apes, and lemurs.
Which of these is an altruistic behavior?
a. geese leaving their nests to fly south before the onset of winter b. male seahorses fertilizing eggs and carrying them until they hatch c. a gorilla living in a zoo feeding and protecting a stray kitten d. baby ducks following the first adult duck they see after hatching
Aerobic respiration generates up to ________ ATP molecules per glucose molecule
A) 2 B) 16 C) 24 D) 38 E) 42
The Salalizard is a fictional vertebrate that lives in the forest and appears to be half salamander and half lizard. You are not allowed to collect any wild animals, so you decide to take a video of it to show your colleagues. What behavior best
distinguishes the Salalizard as either a salamander (amphibian) or a lizard (reptile)? A) what the animal eats B) if it lives in trees C) where it reproduces D) whether it is active at night