Question

How do organisms form carbon films?

Organisms turn into rock.
Residue is left on rocks when organisms decay.
Hollow forms are left in sediment by decaying organisms.
Organisms leave evidence of their activities, such as footprints.

Answer 1

The answer is C. I just did the quiz and got 90%, but this is not the one I got wrong. Hope this helps!

Step-by-step explanation:

Answer 2

hollows forms are left in sediment by decaying organisms