<span>Faunal succession recognized in the sequence of fossils in stratified sedimentary rocks was a key concept that led to the concept of evolution of life on Earth</span>. T<span>his principle is from Willian Smith, an English geologist. It used to determine the age of the rocks and strata.</span>
6x^2 + 3xy - 2xy +y^2
6x^2 + xy + y^2
Answer: option 2 or 4 would be the best
Explanation: Can't choose between the two of them but if it were violating the freedom of religion then somebody would take away that freedom and tell you to support a certain church in this case. good luck
An important tool in understanding the actual numerical dates of past geologic events is radioactivity.
