Which of the following best describes the term ‘Dark sky reserve’, recently seen in the news:
1
It refers to the reserves of Rare-earth materials
2
It refers to the reserves of material that adversely affect the climate of outer space.
3
It is a place that has policies in place to ensure that a tract of land or region has minimal artificial light interference.
4
It is a place that has seedlings of cereals and food crops commonly used by people for any contingency period.