This term means pertaining to or exist at or from the very beginning. a. primordial b. accretion c. by-product d. homogeneous

Idon’t quite understand this problem

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

70 give a real life example showing how sensory neurons work with the motor neurons