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

Options

A. 1 meter above the soil
B. 1.5 meter above the soil
C. 2 meters above the soil
D. 2.5 meters above the soil

Answer

A

Explanation

The nail will be 1 water above the soil because when tree grows in height it will not effect the base level (Tree grows in height from the apical region).