Uno de los fines de mapa conceptual es: a) Estimular la razón.
b) Hacer simple lo complejo.
c) Generar lluvia deideas.
d) Conocer toda clase de palabras-enlace.
e) Analizar la problemática social.​

vertical merger is the term used for the joining of two or more firms involved in different stages of producing the same good or services.

explanation:

answer; a biased sample;

that would be false

material culture refers to things like physical buildings and places.