Girl someone help me this doesnt make sense

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

What best explains the inability for life to exist in earth early atmosphere

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.