within twenty years there will be nearly nine billion inhabitants on this earth and if all want reasonable of prosperity then is essential to handle natural resources ind sparing way
If, within twenty years, there will be nearly nine billion inhabitants on this earth, and if they all want a reasonable level of prosperity, then it is essential to handle natural resources well and sparingly.
within twenty years, there will be nearly nine billion inhabitants on this earth, and if all want reasonable of prosperity, then is essential to handle natural resources and sparingly.