Ahelices are coils with how many amino acids per complete turn?
3.6
10
2.5
4.8
20
3.6

true                                                                                                       true true true true true true

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.