The ice age is also commonly referred to as the
A. Miocene age.
B. Pleistocene age.
C. Oligocene age.
D. Pliocene age.
Answer: B
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An environmentally relevant benefit to protecting the world's sharks is to
A. support shark hunting. B. provide pet food ingredients. C. remove dead or dying fish from the ocean. D. support movies that need sharks for props. E. supply Asian countries with vital food resources.
When assessing energy resources, it is helpful to use a measure called EROI, which is ________
A) money invested in extraction and processing minus income from sales B) energy returned minus energy invested C) energy returned divided by energy invested D) amount of energy invested minus heat released into the environment E) energy returned plus energy invested
There are six alcohols with the molecular formula C5H11OH. How many of these are chiral?
A) 0 B) 1 C) 2 D) 3
Which of the following radioisotopes can be used to scan for bone diseases?
A) C-14 B) F-18 C) Sr-81 D) I-131