Why Is dye used to investigate the direction of water in xylem

1.	Why Is dye used to investigate the direction of water in xylem
Answer» ong>Answer: Dye is USED so that when water GOES to the leaves and FLOWERS, their colour change. This SHOWS that the SAP in xylem goes in upward direction. Explanation: pls follow kar do : )

Answer»

ong>Answer:

Dye is USED so that when water GOES to the leaves and FLOWERS, their colour change. This SHOWS that the SAP in xylem goes in upward direction.

Explanation:

pls follow kar do : )

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