How did the location of kush affect its history

Pls help

Rank the following from most to least devasting: ordovician,permaian,cretaceous, pleistocene

Hegyes was driving her car when it was negligently struck by a unjian enterprises truck. she was injured, and an implant was placed in her body to counteract the injuries. she sued unjian, and the case was settled. two years later hegyes became pregnant. the growing fetus pressed against the implant, making it necessary for her doctor to deliver the child 51 days prematurely by cesarean section. because of its premature birth, the child had a breathing handicap. suit was brought against unjian enterprises for the harm sustained by the child. was the defendant liable?

Which worm is described by these characteristics? - is part of the phylum nematoda - has nostrils but no eyes - moves its body by bending from side to side