When a pendulum swings, if it is not continuously pushed it will not stop eventually because some of its energy is changed into. energy?

What is an example of a physical property?

How have the greenhouse gasses increased from the year 2000 to 2018

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out