Question

12 12

Distinguish between the terms life expectancy
and life span. Explain why one of these has
changed significantly over the past century and
the other has not. Your initial post should be 3-4
paragraphs in length. Use at least three sources
to research your answers. Remember to cite
your sources within your posting and list the full
citations at the end. You will also need to

Answer 1

life expectancy is the period one is expected to live and life span is the years one has lived