Present the main assumptions of uniformitarianism
What will be an ideal response?
The present is the key to the past. Uniformitarianism is the assumption that the natural laws and processes operating now have always operated. For instance, the processes that result in the formation of a stream channel are the same today as they were hundreds of millions of years ago.
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Costa Rica has moved from having one of the world's highest deforestation rates to having one of the lowest, in part, due to
A. harvesting of sea turtle eggs. B. excluding local and indigenous people from conservation efforts. C. increasing subsidies for converting forests to rangeland. D. utilizing ecotourism as a major source of income. E. logging.
On a cold winter morning, the air near the surface is full of smoke particles. If fog formed in this air, how would it likely compare to fog that forms in cleaner air?
A. It would be thinner. B. It would be thicker. C. It would be a different colour. D. It would be practically the same.
The reduction in the time it takes to diffuse something to a distant place is called
A) expansion diffusion. B) stimulus diffusion. C) distance decay. D) space-time compression. E) spatial interaction.
Barchans ____
a. are the only kind of sand dune b. are the only kind of silt dune c. are the only kind of gravel dune d. migrate