The layers above would be not as old and the layers below would be the older layers.
Answer:
increased solar radiation
Explanation:
during summer the solar radiation can increase the bleaching of shallow living corals as tides gets lower the solar radiation increases
Liquid as first of all, the particles aren't compact ( which would mean solid) nor are they spread out ( which would mean gas) nor is it plasma as we aren't given protons or electrons.
It goes up and up and up with the idea they have unlimited resources and no threat, so it is basically like nothing ever dying and the population just going up at a unlogical rate