Question

Ozone depletion is caused by the release of unburned hydrocarbons into the atmosphere?

Answer 1

The health effects of hydrocarbons have been noted in occupational exposures to tetra methyl lead, benzene, etc. Hydrocarbon vapors can cause health effects. Inhaling formaldehyde can cause irritation. It is a major contributor to eye and respiratory irritation caused by photochemical smog.