Personal space is an intangible boundary. select the best answer from the choices provided.
a. true
b. false

This statement is TRUE.

The personal space is the physical area that surrounds the individual and which is psychologically regarded as safe and  as it belongs to him/her. Therefore it poses a boundary between this person and other individuals which are physically close. Intangible means that it cannot be touched (which is the case of this singular psychological boundary).

answer; /// blank (1) fall; blank(2) rise;