Can someone help me balancing equations please dont just take the points please help me

Particles vibrate in a rigid structure and do not move relative to their neighbors.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?