Answer:
recent African origin (RAO)
Explanation:
The recent African origin (RAO) models claims that all Homo Sapiens living today are the descendants of the humans which migrated from Africa.
This means that the first Homo Sapiens were born in Africa and later migrated to rest of the world. The other hominims were not as adaptable to the environment compared to Homo Sapiens and they died out.
Even though there was interbreeding among different hominims Homo Sapiens are the only surviving animals belonging to the Homo genus.
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.
<span>Diana's behavior is an example of "hoarding disorder".
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Hoarding disorder is a steady trouble disposing of or separating with belonging due to an apparent need to spare them. A man with hoarding disorder encounters trouble at the prospect of disposing of the things. Exorbitant aggregation of things, paying little mind to genuine esteem, happens.
