We can prepare this unit with the help of THIS presentation
VIDEOS:
1) Population pyramids
2) How to read a population pyramid
3) Global aging
4) Aging population
5) Envejecimiento, longevidad y población (Canal U.N.E.D.)
Personal Blog with academical purposes from the archaeologist, historian and professor of Social Sciences (Geography, History and History of Arts) in E.S.O. and Bachillerato Saúl Martín González. This blog is a working instrument to support the everyday teaching and study. You can contact me through this e-mail adress: saul.martin2@educa.madrid.org