Which of the following are used in the production of smartphones select the three correct answers silicone all unite lithium whole light Cobalt calcite

Answer 1

The three correct materials used in the production of smartphones from your list are:

1. Silicon - Used in semiconductor components and microchips.
2. Lithium - Used in lithium-ion batteries.
3. Cobalt - Often used in batteries, specifically in lithium-ion batteries for increased energy density.

"Whole light" and "calcite" are not commonly associated with smartphone production.