A nail is driven into the trunk of a 30 year | vedclass

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(A) The nail will remain at $1$ meter above the soil level.This is because the growth in height of a tree occurs primarily due to the activity of the

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$1$ meter above the soil

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(A) The nail will remain at $1$ meter above the soil level.This is because the growth in height of a tree occurs primarily due to the activity of the apical meristems located at the tips of the shoots.The trunk of the tree increases in girth due to secondary growth (lateral meristems),but the vertical position of any point on the mature trunk remains fixed relative to the ground as the tree grows taller from the top.

$A$ nail is driven into the trunk of a $30$ year old tree at a point $1$ meter above the soil level. The tree grows in height at the rate of $0.5$ meters a year. After three years,the nail will be

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