I think its either C or D
Answer: it results primarily from nitrogen dioxide which comes from Combustion and industrial emissions
Explanation: The most important constituent in the production of ozone is nitrogen dioxide. Nitrogen dioxide comes primarily from Combustion of cars and heavy industrial emissions from factories and industries. It can also come from natural sources which includes wildfires.
Your answers in order are a,b,d,d,b
Is shielded from solar winds
Desertification <span>is the persistent degradation of dryland ecosystems by variations in climate and human activities.</span>