12. Ozone forms when hydrocarbons and nitrogen oxides combine in the presence of sunlight. Which of these is a secondary pollutant?

A. Hydrocarbons

B. Ozone

C. Nitrogen oxides

D. Sunlight

Ineed this right now uwu which phrases describe types of freshwater wetlands? check all that apply. flooded forest-like areas acidic areas found in northern climates grassy areas covered by shallow water areas of high elevation that feed into river systems small streams that flow into larger streams and wetlands