Answer:
Why humans left their African homeland 80000 years ago to colonize the world. When the migration was complete, Homo sapiens was the last—and When the study of human origins intensified in the 20th century, two main theories emerged to explain the archaeological explanation. Blombos Cave held signs of early human creativity. The currently favored theory is that humans migrated via the Bering land bridge along the western Pacific coastline at a time when sea levels were lower, exposing an ice-free coastline for travel with the possibility for transport over water. Ancient scroll from SAPIENS. In a study published today in Nature, researchers report that dramatic climate fluctuations created favorable environmental conditions that triggered periodic waves of human migration out of Africa every 20,000 years or so, beginning just over 100,000 years ago.
Explanation:
Answer:
True
Explanation:
Before doing a study or conducting a research study with human research participant, it is important for an institutionally designated authority or a body authorized to make decisions to determine whether the proposed study made on the human participant comes under the regulatory requirement or not.
There are several restrictions and laws to be followed when such research studies are made. Therefore it is important for the investigator as well as the institutionally designated authority to check whether such studies comes under the exemption from the regulatory requirements or not.
Hence the answer is true.
Hello. You forgot to say that this question is about the film “Sex Verification Testing of Athletes”.
Answer:
The film shows that in most sports male athletes (who have a higher testosterone rate) outperform female athletes by about 10% in most sports. Testosterone is a hormone that is directly linked to athletic performance and this is the evidence that the film shows to affirm that "a high level of testosterone offers an unfair advantage in women's athletics"
This is adequate evidence, since it starts from a biological and scientifically proven principle, saving some exceptions.
The answer should be C.) perform an experiment.
Adolescent egocentrism. According D.Elkind adolescent egocentrism is when young people can not make a difference between their perceptions of what other people means about them and what others really think. Adolescents are mostly focused of themselves and them perceptions ( especially how they look and behave). Personal fable and imaginary audience are parts of adolescent egocentrism.