Which of the following correctly identifies steps used in the fractional distillation of petroleum?
the mixture is cooled, condenses, then heated and boils.
the mixture is cooled, boils, then heated and condenses.
the mixture is heated, condenses, then cooled and boils.
the mixture is heated, boils, then cooled and condenses.

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.