Question

1.
Fossils are most often found in ___________ rock.
igneous
sedimentary
metamorphic
2.
Any "signs" of past life activity, like footprints or burrows, are called _________ fossils.
organic
periodic
trace
3.
Sharks' teeth and petrified wood are fossils in which organic compounds are replaced by other elements. This process is called ____________.
mineralization
ossification
putrefaction

Answer 1

1. Sedimentary rock

2. Trace

For number three, I'm sorry, but I'm not sure.

I hope this helped !!

Answer 2

1. Fossils are most often found in sedimentary rock.

2. Any "signs" of past life activity, like footprints or burrows, are called trace fossils.

3. Sharks' teeth and petrified wood are fossils in which organic compounds are replaced by other elements. This process is called mineralization.

• Fossils are remains of thousand of years old trees and animals, that have been preserved naturally.
• Fossils are created when plants, animals, or organisms die and get buried between layers of mud and silt.

Learn more about fossils here:

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