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 market structure; business conditions and…The ability to make and enforce laws and administer…All the following constitute environmental hazards except?Which of the following substances constitute domestic waste?The density of Sial is?