I believe its Lithium Sulfide
1. condensation
2. evaporation
3. precipitation
4. transpiration
5. dew
Answer:
Green design
Explanation:
The word ‘Green’ represents designs which are eco friendly and less harmful to humans and other organisms. It helps in the protection of natural resources such as water, air etc.
Green Design are also referred to as techniques and materials that reduce the negative environmental impact of a structure.
You can determine whether your necklace is real gold or not which is done by exposing the necklace to an acid. It is from the fact that gold would dissolve in aqua regia. So when bubbles appears, it most likely be that the gold is dissolved and is real.