Deserts, tropical forests, prairie grasslands, and coniferous forests are all examples of
a. different species
b. ecosystems with the highest biodiversity
c. ecosystems with low genetic biodiversity
d. Biomes
e. Populations
D
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One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them. What would be some of the advantages and disadvantages of this practice?
A. disadvantage: loss of vital petroleum-based resource; advantage: generation of electricity B. disadvantage: discourages recycling; advantage: provides new jobs C. disadvantage: toxic air pollutants; advantage: reduced landfill volume D. all of the above
The type of building construction and population density in the area of an earthquake are factors that
can affect the intensity on the Modified Mercalli Intensity Scale. Indicate whether the statement is true or false.
Which is not a common component of explanations for mountains?
A) sedimentation B) plate-margin processes C) motion in the mantle D) vertical isostatic adjustments
Among world regions, Europe has one of the lowest percentages of population under age 15
Indicate whether the statement is true or false