Earth's Atmosphere

the transfer of acidic substances to Earth's surface through wet or dry processes.

precipitation made unusually acidic by sulfuric and nitric acids.

any substance that negatively affects air quality.

contamination of the atmosphere by harmful substances.

(AQI) — a measure used to describe how clean or polluted the air is.

(Ar) — an unreactive noble gas found in the atmosphere.

the layer of gases surrounding Earth.

the continuous movement of carbon through Earth's systems.

(CO₂) — a greenhouse gas used in photosynthesis.

(CO) — a poisonous gas produced by incomplete combustion.