Which of the following acts as a barrier to diffusion of ideas and/or cultural traits?
a) the earth's topography
b) distance
c) man-made laws
d) all of the above can acts barriers.

D.

Topography, like in India, the Deccan Plateau served as a barrier separating Indian culture into different sectors.

Distance, I think it's plain to say that distance clearly prevents cultures from mixing or creating a new culture, because they arent close enough to do so.

And finally, man-made laws undoubtedly prevented cultures and subcultures from intermingling, for example in Europe, during the Middle Ages, the Muslims tried to conquer parts of Europe like Spain, and when Charles "the Hammer" Martel knocked them back down to northern Africa, the southern tip of Spain, and small river valleys by Gilbatrar became very Islamic, but if it was prevented with harsh laws, Spain wouldve never had a Muslim influence at all.

1.the ability to perceive emotions in oneself and others accurately.2.the ability to use emotions to facilitate thinking.3.the ability to understand emotions, emotional language, and the signals conveyed by emotions.4.the ability to manage emotions so as to attain specific goals.

Ican answer some, but not all! 2.) sensory info not being transmitted to the brian will result in a lack of responses that could be life saving. 4.) sensory adaption will helo people recognize certain images or objects that will give them a clearer understanding and expand their knowledge. them also become familiar with their surroundings. 8.) light the retina detect an object as it passes through the pupil and into the retina. 12.) cones in the retina us see color. they us see red. blue and green