Which statement is correct based on the information provided in the two diagrams?

A. The diagrams both provide support for the theory that the continents have always been fixed in their current positions.

B. The diagrams have little relationship to each other , as some of the land areas shown on the diagrams are in different positions

C. The diagrams support each other by offering two separate sources of evidence that support the past shapes and positions of the landforms

D. The diagrams provides support for the conclusion that the process of continental drift ended when the continents reach their current positions

What is the difference between an observational study and an​ experiment? choose the correct answer below. a. in an​ experiment, a treatment is applied to part of a population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. b. in an​ experiment, a treatment is applied to an entire population and responses are observed. in an observational​ study, a researcher measures characteristics of interest of an entire population but does not change existing conditions. c. in an​ experiment, a researcher measures characteristics of interest of a part of a population but does not change existing conditions. in an observational​ study, a treatment is applied to part of a population and responses are observed. d. in an​ experiment, a researcher measures characteristics of interest of an entire population but does not change existing conditions. in an observational​ study, a treatment is applied to an entire population and responses are observed.