It's been two years since Frank's mother passed away, but Frank still finds that he has trouble concentrating on anything for too long and often feels tired. What phase of bereavement is Frank most likely experiencing

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.

answer; vygtosky's theory;