The ozone layer
is found in the upper part of the thermosphere
absorbs much of the sun's harmful UV radiation
keeps the stratosphere very cold
is made of charged ions and free electrons

absorbs much of the sun's harmful UV radiation

Explanation:

The ozone layer consists richly of ozone molecules. Ozone with the chemical formula O3, is an allotrope of oxygen found in the atmosphere and helps to absorbs much of the ultraviolet radiation of the sun, preventing it from reaching the earth

b. read the phase at the intersection of any given temperature and pressure.