You can see below an interactive image that describes a list of elements that make up the different parts of the cell phone.
In your contribution, you could (these are just ideas)

• talk about one or two of those elements (physical and chemical properties, why are they uses, etc..)
• share where some of the elements are geographically found, how they are mined, price, etc..
• talk about the social, economical and environmental issues around some of the elements.
• health concern from a chemical point of view,
• other…
• wo comments to classmates posts, due Sunday 11:59pm.