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:How many chromosomes would be in each gamete and…The ear pinna is strengthened by?How many days are allowed in life insurance as days…Insurance is defined as a pooling of risk because of…The letter Aliya's father writes to her on her…