Recycle
you can recycle the metals or use alternative metals.
You can reuse or recycle the CD cases. There is a recycling place for recycling plastics. It is a good idea to recycle or reuse, because this will keep the earth clean and keep the cost down for you.
pretty much every recycling centre :)
Iron,Silver,Ag,Al etc...
no
Open the recycle bin on your desktop and select "Empty The Recycle Bin". It is a good idea to make sure that you aren't deleting anything important before you do this.
Metals can be melted down repeatedly without losing their strength or durability, which makes them ideal for recycling.
In the lab, it is a good idea. It reduces contamination of your metals by other chemicals, and helps limit oxidation.
Paper, Plastics and Metals are the main material that can be recycled.
Plastic. Paper. Glass. Metals. Aluminium Cans.
Less stuff going into landfills. Less energy being used on refining metals from ores, when scrap metal can be collected and melted down instead. Less mining to be done when metals can be collected from scrap.