What is permafrost?
A. frozen surface dew
B. frost in the dirt
C. wintertime soil freeze
D. chunks of ice
E. permanent frozen subsoil
E
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In what British colony were the indigenous aborigines almost eradicated, and eventually turned into a penal colony?
A) Australia B) Burma C) Hong Kong D) Malaysia E) Singapore
A representative fraction (RF) scale on a map must be expressed in terms of some unit of measurement
Indicate whether the statement is true or false
Animals that are harmed by human modification of the environment tend to have all of the following characteristics EXCEPT ________
A) being a dietary generalist B) being high on the food chain C) being a habitat specialist D) being K-selected E) being a species covering a small geographic range
In general, microbial agents are
A. Persistent in the soil for a long time B. Small molecules that penetrate rapidly into a variety of materials C. Small molecules that gasify easily D. Used in place of chemical pesticides E. Wide spectrum agents