I NEED HELP PLSSS- 8th grade science

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

If you had to research a particular disease or area of concern in veterinary medicine and science, which one would you choose? why?