How is it possible that the rocks that were created when the earth formed are no longer part of earth’s crust?

Me if the environment changes, what is the first thing a species will do to survive? question options: the species will suddenly move from the area the species will adapt to the changes the species will change the environment back the species cannot survive a change in the environment

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

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