What type of diffusion involves a rapid and invasive diffusion of a trait through the culture group? a. relocation diffusion b. expansion diffusion c. contagious diffusion d. hierarchical diffusion

Contagious diffusion

Explanation:

As the definition suggests, Contagious diffusion is the rapid invasive diffusion of a trait through the same culture.

Contagious diffusion is proportion to the effect called local distance effect.

It is the process of spread of a disease or religious beliefs or values in a culture starting from a fixed place or point which is usually a origin source to several persons.

Contagious diffusion mapping method is used in order to take preventive actions to identify more risky area and take actions effectively.

what is the answer

the answer is d.index