Because it is extremely hot.
The density of PETE is 1.38 g/cm3.
Answer:
Removing energy (cooling) atoms and molecules decreases their motion, resulting in a decrease in temperature
This is a true statement.
The average weight of an atom of an element, formerly based on the
weight of one hydrogen atom taken as a unit or on 1/16 (0.0625) the
weight of an oxygen atom, but after 1961 based on 1/12 the weight of the
carbon-12 atom.