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:Lines that usually have a set pattern of metre and…The Senate and House of Representatives in Nigeria…All individuals and units that buy goods for…All the following constitute environmental hazards except?Which of the following substances constitute domestic waste?