Explain the principle 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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An example of natural capital degradation as a result of deforestation is
A. improved ecological services. B. increased biodiversity. C. logging. D. habitat loss for native species E. ocean acidification.
Terrestrial ecosystems are most easily distinguished from one another by the ____ that are present in that system
a. autotrophs b. carnivores c. primary consumers d. decomposers e. nutrient cycles
Soon after Earth’s formation, gravity pulled most of the iron and nickel inward to form the planet’s core in a process
call density ____________. Fill in the blank(s) with the appropriate word(s).
What keeps Earth's asthenosphere pliable?
a. Chemical composition of the asthenosphere b. The density of the asthenosphere c. Earth's internal heat d. Insulation from the lithosphere