Question : What are annual rings ?

1.	Question : What are annual rings ?
Answer» Solution :Annual rings. The ACTIVITY of the cambium varies due to the seasonal changes. During favourableconditions i.e. spring the cambium produces the secondary xylem (wood) and is CALLED the spring wood. In the autumn the activity of cambium is LESS and produces wood of smaller DIAMETER and is called autumn wood. These LAYERS layers form the rings of secondary xylem. These are the growth rings. The growth rings of spring wood and autumn wood constitutethe annual ring.

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