[FONT='Arial','sans-serif']The definition of the environment

* The definition of the environment "Environment":
"Is the total of the things that surround us and affect the presence of living organisms on the Earth's surface, including water, air, soil, climate, minerals and organisms themselves, as can be described as a series of interconnected systems with each other to the degree of complexity that affect and determine our survival in this small world, and are dealing with periodic ".


- The definition of the environment.
- The types of environment.
- Components of the environment.
- The definition of life.

* Can we categorize the types of environment?
- There are two types of environment:
1 - physical environment (air - water - land).
2 - biological environment (plants - animals - human).
3 - In the light of progress and the civilian world and goes unnoticed by day after day, we divided into three other types associated with the progress that has caused human:
A - natural environment:
Which is also in: air - water - land.
B - social environment:
A set of laws and regulations that govern the internal relations of the members of the institutions and political bodies and social development.
C - an industrial environment:
Any man-made of: the villages - Cities - Farms - factories - networks.

* Components of the environment:
- And include three elements:
1 - live elements such as:
A - elements of production such as plant
B - elements such as human consumption and animal
C - elements of analysis, such as bacteria or fungi in addition to some insects.
2 - non-living elements: water, air and sun and soil.
3 - Life and activities to be exercised within the scope of the environment.

* The definition of life:

There is no specific definition, but is a set of qualities attributed to the organism (attributes, such as food - growth - movement - breathing - to reproduce - a sense of ..., etc.). And we will give some examples that show the characteristics of some of the elements that make up the environment:

1 - elements living (plant):
- Characteristics of plant:
1 - a reliable human and animal Kngvep.
2 - produces oxygen and finds the environment from harmful carbon dioxide.
3 - used in the production of many other elements.
4 - The trees absorb a major portion of the noise.

2 - non-living elements (water):
- Characteristics of water:
Water covers about 5-4 area of the land because they contain oxygen-producing organisms, and contains an enormous wealth of the freedom of fish and oil and precious stones[/FONT]



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