The combination of sial and sima constitute the? by Sunday | Jun 15 | Geography WAEC | 0 comments A. hydrosphere B. biosphere C. lithosphere D. atmosphere Correct Answer: Option C – lithosphere Users Also Read These:The national assembly, presidency, and court which…The performers in a play constitute the?The market structure; business conditions and…The following constitute the criteria for…The density of Sial is?