An investigation was conducted to compare two different types of plants. A student used a microscope to observe the cells in a cross section of a lilac leaf (diagram A) and a cell from the leaf of a freshwater plant (diagram B). Identify the structure labeled Y in both diagrams and the process it performs.

where is the diagram?

if you insert the diagram ill be able to you

the answer is a) cell division.

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a=c and then d= c because of the band so you get ac/dc and you add them together you get sound waves