What is a fossil assemblage?
A) A fossil that is geographically widespread but limited to a short span of geologic time
B) A fossil that is very common and existed for a long period of geologic time
C) A group of fossils used to establish the age of a rock unit
D) Fossil organisms that have survived multiple geologic eras
Answer: C
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Arsenic is released into drinking water
a. from inorganic fertilizers b. from sewage and animal wastes c. from food processing facilities d. when any well is drilled down to the water table e. from mining refuse
At higher and higher trophic levels, there are usually ________ and ________ animals.
A. fewer; larger B. more; smaller C. fewer; smaller D. more; larger E. None of these is correct; there is no change in number or size.
This island type is extremely vulnerable to the dangers imposed by global warming
a. atolls b. high islands c. continental islands d. low islands e. geologic hot spots
Kashmir has a predominately ________ population
A) Muslim B) Hindu C) Buddhist D) Christian E) none of the above