Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
Bio hazard since it's used as a pesticide
Answer:
On the inside of your body would be the Liver, overall would be the skin.
Explanation:
Look at scale images or medical diagrams and you will see.
please mark brainliest
