Compare the doctrine of catastrophism with the doctrine of uniformitarianism
What will be an ideal response?
Answer: Catastrophism was an early idea about the nature of Earth and was based on religious traditions and notions of great catastrophes. Essentially, it posited that (a) the Earth was very young (less than 10,000 years), and that all geologic change happened rapidly through violent catastrophes. In contrast, James Hutton emphasized that the same slow processes have acted over great spans of time and are responsible for Earth's rocks, mountains, and landforms. This similarity of processes over vast spans of time led to this principle being called uniformitarianism. In other words, physical laws were uniform over time, and most geologic change was gradual, not catastrophic.
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The direct measurement of the motion of continental plates was impossible with land-based instruments because all motion is _____.
A ) absolute B ) relative C ) one-dimensional D ) at less than 60 Hz
The designation of sediment grain size, from largest to smallest, is:
a. clay, silt, sand, gravel. b. gravel, sand, silt, clay. c. gravel, silt, sand, clay. d. clay, sand, gravel, silt. e. silt, clay, gravel, sand
Strong winds tend to lower pollutant concentrations through a process called ____
A) inversion B) conversion C) dispersion D) convection
The Geologic Time Scale records the history of Earth all the way back to the formation of the universe
Indicate whether this statement is true or false.