they are not harmful to the environment
Placer mining is generally considered the least harmful to the environment as it involves minimal disturbance to land and water compared to other types of mining. This method involves extracting minerals such as gold and gemstones from sediment in rivers and streams using simple techniques.
If it is harmful it will not survive long
fire is harmful to the environment because it is a kind of gas
The harmful effects of CARS to our environment is the carbon monoxide
NO2 is more harmful to the environment than NO2-.
yes; kerosene is harmful because it pollutes the environment and people might be sick or die and also is harmful for animals too.
no it is not
A harmful environment is one where there is some agent or condition in the environment that may cause impaired health or disease to people, plants or animals or that may damage people, plants, animals, property or other elements of the environment.
its harmful bro!!:D
they are helpful not harmful to plants
Using the same glass each time you get water from your sink