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:STB 112 Theory Questions: Insect Metamorphosis and…Insurance is defined as a pooling of risk because of…Exoskeleton is a characteristic feature of?The concentration of many firms of a particular…Use the diagram below to answer this question. Which…