What is the name for the rectangular piece of glass on which you place an object to be viewed while using a microscope?

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system