Matching hypothesis is the idea that you are more likely to make friends or be attracted to someone who is on a similar level of attractiveness as you. So, a extremely attractive person is going to be attracted to others that are extremely attractive. A average looking person will be more attracted emotionally and/or romantically with another average looking person.
Beauty is in the eye of the beholder means beauty isn't one specific thing and you cannot say something is 100% beautiful because when someone might find beautiful, another person may hate.
So yes, a dark cave can be beautiful to someone as a river might be to another.
The airport and highway systems in Atlanta make it a major transportation hub.
<span>C. Lloyd Morgan was the first to undertake large studies in this field. Comparative Psychology typically concerns the actions and processes involved in behaviors of non-human animals. These behaviors are looked at as a way of understanding the history and significance of the behaviors on evolutionary and adaptive fitness.</span>