There is an interaction between human beings and their surroundings that is known as the human environment. Thus, it can be defined as a means of understanding the way people relate to their natural and physical surroundings. A place's environment is affected by a number of factors, such as its physical, biological, cultural, social, and economic characteristics which are all influenced by a number of factors.
<em>Hope this helps :)</em>
The coastline is the term used
They went down the yarmuk river an took over
The Mayan and other Mesoamerican cultures used a vigesimal number system based on base 20 (and, to some extent, base 5), probably originally developed from counting on fingers and toes. The numerals consisted of only three symbols: zero, represented as a shell shape; one, a dot; and five, a bar.