The correct answer is B. Gallium arsenide
Step-by-step explanation:
The abbreviation or formula GaAs refers to the chemical compound gallium arsenide, that as indicated by its name contains gallium, which is a metal, and arsenic, which is a metalloid. This compound is more commonly used as part of the manufacturing processes of multiple devices such as microwaves or computers because this is a semiconducting material, and due to this, it is ideal for creating circuits. According to this, the compound GaAs refers to Gallium arsenide.