Question

In a commercial setting, what is the average lifespan of a tree ?

a. 150 years
b. 75 years
c. 13 years
d. 37 years

Answer 1

67 years

Explanation:

The average lifespan of a company listed in the S&P 500 index of leading US companies has decreased by more than 50 years in the last century, from 67 years in the 1920s to just 15 years today, according to Professor Richard Foster from Yale University.