Okay here it goes: She is basing her research on the results of the survey.<span />
Answer:
The most common directly preserved fossils are unaltered hard parts of a living organism, like shells, teeth, and bones. ... After the remains of an organism have been buried and cemented within sediment, water percolating through the sediment leaches out the fossil. This leaves a cavity in the rock, called a mold.
Explanation:
Catholic Church and Eastern Orthodox Churches
