Question

A nail is driven into the trunk of 30 year old neem tree at a point 1m above the soil level the tree grows in height at the rate of half metre a year after three years nail will be

Answer 1

Answer:

if it's an iron nail it will stay there for long time and it's state won't change.

if it's human nail it will decompose as they are formed of dead proteins and bacterias present in the soil will act upon it