This is the first 1,000 characters of 187 words (0.75 pages) in the essay titled Fgggg
1)a. The first stated that sedimentary rocks are laid down in a horizontal manner, and the second stated that younger rock units were deposited on top of older rock units.
b. The idea that natural geologic processes were uniform in frequency and magnitude throughout time, an idea known as the "principle of uniformitarianism".
c. In 1815 Smith produced a geologic map of England in which he successfully demonstrated the validity of the principle of faunal succession. This principle simply stated that fossils are found in rocks in a very definite order. This principle led others that followed to use fossils to define increments within a relative time scale.
3) a. 540 the oldest animal fossils
1700 approximate origin of Eukaryotes
2000 transition oxygen atmosphere
3600 oldest known fossil
3700 oldest known rocks
b. The time that humans have been on the earth would be erased.
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