What are possible sources of dna from the scene where Anna Garcias body was found

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

The bacteria inside a tube worm would be analogous to what organism in the ocean ecosystem near the waters surface? a. photosynthetic algae b. shrimp c. clown fish d. parasitic lamprey

In an hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produce