Factors exogenous to a country's current level of income are identified as being responsible for some 84% of the increase in life expectancy during the period. ... But neither country's mortality has been directly affected by its own income; the effect shows up as a shift in the curve.
Answer:
What. Wheres the question
the context clues are( are very cold)
Ydhndjdybd said he would like a couple tititotitotit
