The ozone (O₃) acts as a protective layer from the dangerous high-energy UV rays. Where is the ozone layer located in the atmosphere?

From the pollutants below, which one is not produced from combustion?

Melting iceberg on the pole will lead to a continuous events which will make everything worse. This kind of event is an example of...

To minimize the production of nitrogen oxides from car engines, what can we install on the exhaust?

Sulfur oxides can be harmful to human. Which organ will be damaged the most when we're exposed to sulfur oxides?

Installing filters on the exhaust is one method to reduce pollutant release to the atmosphere. What kind of pollutant is controlled by this method?

Some of the pollutants are the parts of acidic oxide, causing acid rain when deposited in te cloud. Which gas(es) from below contributes to the acid rain?

When nitrogen oxides are present in the air, they can react with various things making the air visibly dirty. This kind of phenomenon is also known as...

Nature is also trying to recover the environment, and one of the most well-known way is the photosynthesis. Which organism(s) can do photosynthesis?