The ozonosphere is another term for the ozone layer, which is within the Earth's stratosphere. The ozone layer is responsible for absorbing most of the sun's ultraviolet (UV) radiation, thanks to its high concentration of ozone that is exclusive to this layer.
        
                    
             
        
        
        
<u>ANSWER:</u>
Ogallala aquifer supplies "one-third of the irrigation water" in the United States. 
<u>EXPLANATION:</u>
- The "Ogallala aquifer" is located in the "Great Plains of the United States" and therefore gives life to almost all fields of the US.
- The aquifer supplies water for one-third irrigation needs of the United States. The Ogallala is an underground reservoir and is very big in size and the agriculture production in the US is dependent on this aquifer. 
- The aquifer is however depleting and water level in many areas has become very low. 
- It is important for United States to protect and preserve this aquifer so that the agricultural production does not suffer. 
 
        
             
        
        
        
Answer:
The long term development which is done by the preservation ,utilization and management of resources which is used by present generation and with preservation for future generation is sustainable development.
the conservation of habitat of living beings and plants is called environment conservation.
 
        
             
        
        
        
Compression and stretching are actually caused by the stress on the both.
Compression happens on the side of impact and Stretching happens ont he side opposite to that of the impact.