What Are the Ramifications of Improper Electronic Recycling,when Analysing the Example

Multiple Choice

What are the ramifications of improper electronic recycling,when analysing the example of a single desktop computer?

A) One computer contains more than 700 chemicals that can be toxic to the environment
B) Computers in landfills can leak these toxic chemicals into our land,water and air
C) Computers contain high levels of mercury,lead and cadmium-harmful toxins
D) All the answers are correct