Which is the most stable group of elements?
V
VIII
IV
I

The answer would be a) -80of

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;

Answer2000hz to 4000hz;