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:All the following constitute environmental hazards except?The mineral contents of the upper part of the…The density of Sial is?The ability to make and enforce laws and administer…The use of the bank rate; cash ratio and open market…