Choose the correct sentence. 

Choose the correct sentence.

Which one of the follwing is correct?

Choose the correct option to replace the quotation part of each sentence. Often visible as smog, 'ozone is formed in the atmosphere from' hydrocarbons and nitrogen oxides, two major pollutants emitted by automobiles, react with sunlight.

Five fledgling sea eagles left their nests western Scotland this summer, bringing to 34 the number of wild birds successfully raised since transplants from Norway began in 1975.