Which option below best describes the difference between an experiment and an observational study? The groups in an observational are chosen at random, but not in an experiment. The values in an observational study are chosen at random, but not in an experiment. The groups in an experiment are chosen at random, but not in an observational study. The values in an experiment are chosen at random, but not in an observational study.

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

Urgent? will give brainliest to the first correct answer what is the area of the figure?