General Knowledge :: Environmental Science
- The undesirable change in physical, chemical or biological characteristics of air, land and water is referred as
- Example for a bio-degradable polymer is
- The European Union has a permanent ban on the use of __________ in toys.
- A biodegradable plastic developed by Biopak Corporation Australia
- A __________ is formed due to the collection of water in a natural basis or depression in a mountainous area or in plains.
- The most endangered ecosystem in India
- The expansion on PQLI is