A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms
8.3 × 10-6 meters=77 meters
Answer, =8.3=77 meters
Answer:
i almost can see the thning
Explanation:
A. X cells I animal cells and Y cells are plant cells
