Answer:
Alexander Graham Bell
Explanation:
Alexander Graham Bell patented his first electric loudspeaker (capable of reproducing intelligible speech) as part of his telephone in 1876, which was followed in 1877 by an improved version from Ernst Siemens.
Disable
In window devices, "Disable" is an option which is use as 'disables the selected device'. It is sub menu under Driver.
option 3 is right
on collisionenter
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