A collector has a sample of a cloth that they think was from a mummy in Ancient Egypt. After inspection it is estimated that the cloth would have had about 0.0000013 grams of Carbon14 when it was new. Today there was found to be 0.0000009 grams remaining. Approximately how old is the cloth?

Which process must a cell undergo top identical cells at the end of cell division

Variety of living organisms; includes genetic, species, and ecological types.

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.