What does the inmune system protect the body against

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?

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.

Tides that occur during the new and full moons