Most people in the western world depend on the automobile to get them where they need to go.
Xenon hasn't importance for the human life.
The importance of cardiac cycle is to sustain human life.
wLa lNg!
blancing the life
what are the importance of the lake?????????
It is not particularly important for human or other life.
Without the atmosphere that we breath, there would be no human life on earth.
research brings convenience to man..
to give off oxygen for us to breath.
communication is very important in human life to express feelings ,and for the development of human in all fields to make our life better and happy communication is important
solar energy do not do anything for humans
its lets us know how to calculate money