Class 11th ( statistics : economics) …

Basically, human work has a specific purpose, namely to make ends meet. The needs of everyday life. during the life of a human being in need of various needs, such as food, clothing, housing, education and health. 
** Various human needs a. 
Needs according to level : 
1) primary 
2) Needs the needs of secondary 
3) tertiary Needs
** Natural resources and the numbers are very limited. In fact, the SDA gradually diminished, it will even out in fulfilling human needs. Therefore, resulting in scarcity. So, scarcity was the limited range of SDA and is there to meet the needs of human beings. 
** The SDA scarcity caused the following things: limitations of the SDA is the Natural gift of God Almighty, not all gifts of nature can take place is consumed or reproduced. Therefore, the man sued can take advantage of the SDA as well as possible. 
** Scarcity is a situation where the available resources are less than the amount needed or resources can not meet the needs that exist. The scarcity also called Scarcity is at the core of economic problems.
** Factors that cause the occurrence of scarcity are:
1. the limited number of natural resources or the factor nature
2. the large number of SDA are damaged or damage the environment
3. the limitations of technology and human capacity within the SDA processing
4. population or increased human needs faster than the improvement availability fulfillment needs to address:

1. the dearth of savings in the use
2. improve knowledge
3. Create replacement fulfillment tools
4. keep the existing SDA.