An Organ. Why does the answer need to be 20 characters long?
<span>The significance of chitin in arthropods is Chitin is a structural carbohydrate that forms their exoskeleton. </span>
Answer:
D.
Explanation:
i never heard lonosphere when i learned about the three layers of the atmosphere
A therapist seeing Cheri would attribute her anger to biological factors.
Her angry outbursts happen because of a malfunction in her body. Because her thyroid gland is overactive, this leads to her being angry from time to time if she doesn't take her medicine. Thus, these can only be biological factors, not social or psychological.
