Post category:Everyday SciencePost comments:0 CommentsWhich is the outermost planet in the solar system? A. MercuryB. PlutoC. NeptuneD. UranusShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) You Might Also Like Comets have orbits which are ……. in general? April 9, 2019 How much air does a human body breath each day? April 8, 2019Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.