Answer:
In computing, an input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance. Examples of input devices include keyboards, mice, scanners, digital cameras and joysticks.
Explanation:
He displays a physical response because his head moves
He displays engaged listening because he is humming along
Answer:
Obtuse
Explanation:
154 is larger then 90 (90 is a right angle)
if it was lower then 90 it would be accute
<h3>What is conventional theory of the formation of the galaxy ?</h3>
The conventional theory of the formation of the galaxy can be regarded as one that stressed that the formation of milky way was done relatively short time some million years ago.
And this was when spherical cloud of gas collapsed as a result of pressure the particular gravity which was surrounded by a halo.
Therefore, formation of the galaxy was recorded to occur roughly 12 to 13 billion years ago .
Learn more about galaxy at;
brainly.com/question/7974113
