It is people.
(1) The change in the environment caused by natural or artificial input of harmful contaminants into the environment, and may cause instability, disruption or harmful effects to the ecosystem.
what harmful effects???????
The smoke itself, so the carcinogens.
an unwanted change in the environment caused by substances or forms of energy
Chemical Hazard is the danger caused by chemicals to the environment and people. A chemical hazard arises from contamination with harmful or potentially harmful chemicals.
nuclear pollution is the type of pollution caused due to the release of radioactive substances in the environment
There are no harmful gases that are caused by global warming. There are harmful gases that cause global warming, especially carbon dioxide and methane. Carbon dioxide comes from burning fossil fuels (coal, oil and natural gas), and Methane is emitted from cattle farms, melting lakes and tundra.
1. Pure natural gas (CH) doesn't smell. 2. Smell is a chemical property of substances because is caused by specific molecules.
by less combustion of fuels, at least complete combustion of with filtering of toxic substances which can act as carcinogens in your lungs.
Handwriting is a skill, not an instinct. It depends on your practice and muscular control.
Erosion of the quality of natural environment caused, directly or indirectly, by human activities.
The kind of acid that is caused by pollutants that combine with water in the air is called acid rain. There are many chemicals in acid rain that are harmful to the environment.