In order to fully experience the stress-relieving benefits of touch, the three functions of Wilbur's nervous system had to be intact. That is, his nervous system had to be able to do which three things (in the order listed)?

Which businesses and industries are most important to the economy of the eastern united states today? choose all answers that are correct. question 1 options: service industries insurance manufacturing computer technology

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.

Which of the following is used as evidence to show changes in living organisms throughout geologic time? a: fossils b: lava c: sediments d: volcano