What is the main cause of an earthquake?
O force of gravity
O the shaking of the ground
stress caused by plate movement
waves that ripple from the epicenter

When water freezes, it . contracts expands

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

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.