Question

. Adendrochronologist observed total 22 rings of spring
wood and autumn wood in a dicot stem in 1998.
How many annual rings will be observed by him in
2006?
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Answer 1

Answer:

30 rings

Explanation:

The number of annual rings observed in 2006 will be 30 because the annual rings are counted again after 8 years of time.

Explanation:

Annual rings are formed each year in the dicot stem when the cambium layer forms a xylem layer.

The number of annual rings were observed in year 1998 are 22.

The years passed between 1998 to 2006 are = 2006 - 1998 = 8 years

One ring is formed each year.

The final number of annual rings that will be observed in 2006 can be calculated by adding the number of years and number of rings of previous years. So,

22 + 8 = 30 annual rings will be observed in 2006.