If people are unaware of the potential dangers of a disaster, they will be less prepared for it because they do not know about it. Thus, they will be affected more. Poverty affects individuals more because they will not be able to rebuild or recover as easily due to a lack of money or resources.
Answer:
Allan Sandage
Explanation:
Allan Sandage is an american astronomer that has undertaken extensive efforts to evaluate Hubble's constant rate of universe expansion.
in the beginning of his career in 1958 , the primary focus of Allan is to evaluate the Hubble's constant rate.
He used many different techniques to determine the distance to several galaxies. From these many different calculations, average value of Hubble's constant was about 50 km/sec/megaparsec.