Science relies primarily on empiricism, the premise that knowledge should initially be acquired through observation.
Answer:
Toxic
Explanation:
The body removes toxic waste from your body in order to protect it.
Answer:
25
Explanation:
I just got it right on my test
450 mya, is where you would find fossils.
Explanation:
The first layer would be newer organismis that haven't quite decayed yet.The second and third layer is where the bones of the dead organasims lie, they havent quite been through the whole process yet, but they are nearly complete just about 100,000 years left.The fourth layers have been through alot, and have been there for many many years we can say abot 100,000,000 years.They are ready to become a fossil fuel.