The answer is D, noble gases are stable.
It was once a body of water there, having the shell in the rock means that a sea creature lived there so there must have been water there at one time in history.
According to Intellicast, it's about 77 %
Lowest at 53 % at 12.00 am
Hughest at 90 % at 10.00 am
When the rocks are exposed, erosion begins
the caste system regulated the social status of all people in India. some pros could be that it kept the English safe, but cons would be that it oppressed the Indian people. most of the pros are in favor of the English, and most of the cons are for the Indians
