Post category:Everyday SciencePost comments:0 CommentsWhat is the most abundant element in the Earth’s crust ? A. HydrogenB. OxygenC. Carbon Dioxide D. SiliconShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) You Might Also Like The image formed in a compound microscope is_____________ April 6, 2019 What is the SI unit of pressure? 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.