Answer:
4
Explanation:
Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.
The break is outbreaks and the type is salt water
Ozone would be the secondary pollutant because it is caused when two primary pollutants react. Hope this helps!
