How to calculate the rates of increase in mass and in volume for the bag containing sodium chloride solution during the first 30 minutes? ? it’s for my final exam

Name the following: (a) category of pathogen that causes diseases, like common cold and mumps. (b) the microorganism that requires a host to produce.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?

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.