PLEASE help due in 1 hour. Browning is planning a jet suit racing league. He explains in the text, “Pilots would fly through an obstacle course floating on water”. (pg. 12)
What can you infer as to why the pilots will race over the water?

A : The jet suits will fly only over water.
B :The race involves making patterns in the water.
C : Browning is trying to create underwater races.
D: Flying over the water is safer than flying over land.

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.