State-level data show the difference in crude oil API gravity in different parts of the country. For example, oil produced in Texas has a relatively broad distribution of API gravities, with most production ranging from 30â50 degrees API. Oil produced in North Dakota tends to be light (less dense).
Margot Frank, Anne's older sister, died of typhus in Belsen at the age of 19 in March 1945 (Exact date unkown).
But new research released by the Anne Frank House shows that Anne and her older sister, Margot Frank, died at least a month earlier than previously thought. Researchers re-examined archives of the Red Cross, the International Training Service and the Bergen-Belsen Memorial, along with testimonies of survivors.