Question

from 1800 to 1950, citizens of iceland had a life expectancy of...
55 years.
56 years.
81 years.
26 years.

Explanation:

From 1800 - 1950, life - expectancies were lower than today. 81 is too high. 26 is extremely low. 55 - 56 is more reasonable and 55 was the approximate life - expectancy for Iceland then.

Answer:

A. 55 years.