Which steps are part of the process during the information of molded fossils check all that apply

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?