The chitin in the exoskeleton of many arthropods is strengthened by? by Sunday | Sep 6 | Biology JAMB | 0 comments A. lids B. proteins C. calcium compounds D. organic salt Correct Answer: Option C – calcium compounds Users Also Read These:The concentration of many firms of a particular…The letter Aliya's father writes to her on her…Use the diagram below to answer this question. Which…Insurance is defined as a pooling of risk because of…The ear pinna is strengthened by?