I think the right answer is 25. Segun datos de la OMS (Organización mundial de la salud) más del 35% de la población mundial buscará ayuda psicologica o psiquiatrica a lo largo de su vida. Además, mas del 65% sufrira algun trastorno psicologico mayor o menor a lo largo de su vida, pero la mayoría de ellos no buscará ni recibirá atención psicologica o psiquiatrica.
I hope my answer can help you.
Answer: The two step flow of communication
Explanation:
I believe the answer is: concept of <span>conservation
concept of conservation refers to the understanding that something would stay in the same quantity even though it is moved to different medium/appearances.
On average, understanding of </span>concept of conservation would not be developed before we enter the age of 7.