As a pendulum swings back and forth, it'll hit its highest to lowest point, as vice versa. What happens to its kinetic and potential energy?

It's have to be 12 or idk

Ok what do you need with

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;