How does the stability of an isotope relate to its abundance in nature

Jj of og oh pu og oh oh oh oh oh yo oh oh oh yo oh oh oh

Contained in chromosomes which are located in the nucleus of the cell.

What are the options? physical property can be color, smell, opacity, viscosity, density, infra red spectrum, melting and boiling points, attraction and repulson to magnets, etc.

True or false:   the purpose of a defense mechanism is to get uncomfortable feelings out into the open so they can be dealt with in a healthy manner.indeed true: )