Which of the following BEST embodies the qualities of a scientific theory?
A) Dangerous wildfires in California could be avoided by better fire prevention strategies.
B) Squirrels in central Illinois prefer to build their nests in oak trees instead of hickory trees.
C) All gases, liquids, and solids consist of atoms.
D) Students who study for their environmental science exams will perform better on those exams than those who do not.
E) Prairies that have larges herds of bison show greater plant diversity than prairies without bison.
Answer: C
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Why is the Kuiper belt considered to be a zone of failed planet formation?
A. The dwarf planets found therein have yet to fully accrete all of the material in their orbital paths. B. There is simply not enough material within the dwarf planets' orbital paths for any of them to ever add up to full planetary status. C. Because none of the dwarf planets are massive enough to maintain an atmosphere. D. Both A and B are reasonable.
To be useful as a source of water, a rock must be
A. both porous and permeable. B. porous but not too permeable. C. permeable but not too porous. D. low in both porosity and permeability.
What are some of the alternative, unconventional resources for oil and natural gas?
What will be an ideal response?
List the major mountains of the European region