Peer review declaration

All papers published in this volume of IOP Conference Series: Earth and Environmental Science have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Double-blind review process • Describe criteria used by Reviewers when accepting/declining papers. Was there the opportunity to resubmit articles after revisions? Acceptance/rejection’s recommendations by the reviewers were based on the mode of presentation and scientific/technical approach used in each paper. It was also based on the ability of the author(s) to revise their submitted papers based on the reviewer’s comments or by providing reasonable rebuttals to the comments raised by the reviewers. • Conference submission management system: All papers were submitted via our email channel (icssd2021@covenantuniversity.edu.ng) • Number of submissions received: 57 • Number of submissions sent for review: 51 • Number of submissions accepted: 27 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 47.4% • Average number of reviews per paper: 2 • Total number of reviewers involved: 43 • Any additional info on review process (ie plagiarism check system): The plagiarism of each paper was checked by Turnitin • Contact person for queries: Name: Theophilus Aanuoluwa Adagunodo, Ph.D Affiliation: Department of Physics, Covenant University, Ota, Nigeria Email: theophilus.adagunodo@covenantuniversity.edu.ng