The following diagram is of a cross section of a plant leaf. Use the diagram to answer the question. 
Which of the following is the main function associated with structure Y?
Definitions:
Law
A system of rules created and enforced through social or governmental institutions to regulate behavior, with the aim of ensuring order and justice in society.
Development
refers to the process of economic, social, and infrastructural progress in a geographic area or among a population.
Council
An administrative or advisory body elected or appointed to manage and make decisions for a community or organization.
Environmental Quality
Refers to the state of environmental conditions relative to the health, safety, and welfare of living organisms, encompassing air, water, and soil quality as well as ecological health.
Q9: Use the information to answer the following
Q9: Which of the following statements correctly describes
Q13: Which of the following is a function
Q22: Which of the following is most likely
Q28: The observation that both charophytes and green
Q34: Which of the following statements correctly compares
Q39: Which of the following experimental procedures would
Q41: The vascular cambium gives rise to _.<br>A)
Q67: Microphylls are found in which plant group?<br>A)
Q69: Which of the following biological molecules contributes