All modern technology has things to help disabled people
Extensible Hypertext Markup Language.
Answer: Skinner box
Explanation: Skinner box is referred as the environment to conduct an experiment to observe the natural behavior of the element in a chamber. The Skinner box is also known as operant conditioning chamber. It is most commonly used for the experiments to be conducted with the animals in the operant conditioning chamber for the research purpose.
It is also soundproof tool and also refereed as the lever box as it contains lever .Thus the answer is Skinner box.
The current version of office is "Office 19" most people use "Office 365" though.
A "Pdf" or "Portable Document Format."
Two types of physical connection are:
A wired connection using a cable
A wireless connection using radio waves