One of the most recognizable features in the solar system,
Saturn’s rings consists of billions of individual particles, which create waves, turbulence, and other effects and are spread over hundreds of thousands of miles.A) Saturn’s rings consists of billions of individual particles, which create waves, turbulence, and other effects and are spread over hundreds of thousands of miles. -> SVA error, rings are plural and consists is singular. Incorrect.
B) Saturn’s rings consist of billions of individual particles, which create waves, turbulence, and other effects and are spread over hundreds of thousands of miles. -> No errors as such. We have parallelism maintained too. Let's keep it
C) Saturn’s rings consist of billions of individual particles, create waves, turbulence, and other effects and spreading over hundreds of thousands of miles. -> Spreading list item is not parallel to consist and create. Incorrect.
D) Saturn has rings that consists of billions of individual particles, which create waves, turbulence, and other effects and are spread over hundreds of thousands of miles. -> One of the most recognizable features in the solar system can't modified by Saturn, also, "rings that consists" is incorrect.
E) Saturn has rings made up of billions of individual particles, which create waves, turbulence, and other effects and are spread over hundreds of thousands of miles. -> One of the most recognizable features in the solar system can't modified by Saturn. Incorrect.
So, I think B.