The density of a substance is 2 g/cm3. The mass
is 4 g. What is the volume?

Because they're in different places for this the temperature varies.

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;