You are in a carpeted office lighted by fluorescent bulbs. You are preparing to add memory modules to a user's computer. The user has already unpacked the memory modules and stacked them on top of an old, unused CRT monitor.

What is the greatest threat to these memory modules in this environment?

The magnetic field around the CRT monitor.

Electromagnetic interference $($EMI$)$ from the fluorescent lights.

High$-$voltage discharge from the CRT monitor.

Electrostatic discharge $($ESD$).$