What is the greatest known cause of global amphibian declines?
A) pollution
B) fires
C) displacement by invasive species
D) parasites and disease
E) habitat loss
Answer: E
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The majority of the world's population lives south of the equator
Indicate whether this statement is true or false.
The layered appearance of foliated metamorphic rocks is due to the
A) laying down of minerals, layer upon layer. B) realignment of minerals so that they are perpendicular to compressive forces. C) recrystallization of minerals. D) mechanics of weathering minerals.
Why do pegmatite mineral crystals grow so large? What will be an ideal response?
Which of the following is NOT a benefit of a geographic information system?
a. A GIS can store and display of many combinations of mapped data layers. b. A GIS can adjust data on different map scales and projections to fit one map. c. A GIS can be used to analyze the spatial distributions of environmental, natural, and human features. d. All of these are benefits that a GIS can provide.