Answer:
sporopollenin
While the exine is composed of sporopollenin, a complex and highly resistant biopolymer containing fatty acids, phenylpropanoids, phenolics and carotenoids, the intine is largely composed of pectin and cellulose.
Explanation:
Answer:
Repression
Explanation:
Repression, which is keeping to ones self disturbing thoughts. It is a form of defence mechanism that underlies all other defence mechanisms
B. defiantly b. because it can survive in most climates.
The structure is calcium ions.
