Which of the following best describes the functional group of anhydrides?
A) two carbonyls bonded directly to each other
B) two carboxyls bonded directly to each other
C) two carbonyls bonded to the same oxygen atom
D) two carboxyls bonded to the same oxygen atom
C
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How many semipermanent highs and lows typically exist in the northern hemisphere in January?
A. 10 B. 7 C. 5 D. 4
Organisms that eat both plants and animals are known as
A) herbivores. B) carnivores. C) detritivores. D) omnivores.
Bats prey on certain species of moths by using high-frequency echolocation to locate them. Certain moths have evolved ears that can hear these frequencies allowing them to escape. This is an example of ____.
A. mimicry B. commensalism C. a behavioral strategy D. coevolution E. mutualism
Waves arriving at an angle to the shore push water parallel to the shore in a ________.
A. longshore current B. surf current C. rip current D. refraction flow E. breaker current