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.
In the earlier part of the twentieth century, food spoilage was more of a concern. This is because there were fewer preservatives and less refrigeration. Antibiotics can also be a correct answer as well. Nowadays, food is filled with artificial flavors, colors and preservatives which lead to a longer shelf life.
Answer:
Pluralistic ignorance
Explanation:
PLURALISTIC IGNORANCE can be defined as the way in which a person, people or group of people reject a norm privately but accept it publicly because they believe and assume that others accept it due to the fact that they feel differently from their peers, despite behaving similarly because of the different assumptions they make about the causes of their own behavior and the causes of others behavior which is why they often tend to rely on what others say and do when they are not sure of the nature of the situation or of what behaviors to engage in which cause them to be PLURALISTIC IGNORANCE.
C. River Valleys.
There was much more vegetation and fertility.
Answer: Johanan ben Zakkai, (flourished 1st century AD), Palestinian Jewish sage, founder of an academy and an authoritative rabbinic body at Jamnia, who had a decisive influence on the continuance and development of traditional Judaism after the destruction of the Temple (AD 70).
Explanation:
