AIR POLLUTION Crossword

The introduction of contaminants into the natural environment that causes adverse change.
Organic compounds containing only carbon and hydrogen
It is a desirable gas in the upper layers of atmosphere as it absorbs the UV radiation of sunlight
It is a substance or effect dwelling temporarily or permanently in the air , which adversely alters the environment by interfering with the health, the comfort, or the food chain,
It is formed when sulphur dioxides and nitrogen oxides combine with water vapour and precipitate as sulphuric acid or nitric acid in rain, snow or fog.
It is a region in the earth’s stratosphere that contains high concentrations of ozone and protects the earth from the harmful ultraviolet radiations of the sun
These are the main cause of ozone layer depletion.
It is the process by which radiations from the sun are absorbed by the greenhouse gases and not reflected back into space.
It is an increase in the Earth’s average surface temperature from human-made greenhouse gas emissions.
It refers to the long-term changes in the Earth’s climate, or a region on Earth, and includes more than just the average surface temperature.
The accumulation of acids that fall to the Earth dissolved in water is known as ____.
The accumulation of acidic particles that settle out of the atmosphere or of acidic gases that are absorbed by plant tissues or other surfaces is known as _______.