Edmund Kells constructed his own x-ray machine.
The feature of speech which is not usually found in written essays is the non-verbal form of communication.
Non-verbal communication is the form of communication wherein the message is conveyed through gestures. non-verbal communication does not stop with the pause in verbal communication.
Some of the examples of non-verbal communication which are not found in written essays are eye contact, gesture, body movement, eye contact, space etc.
Answer:
Arguments need evidence because evidence is the concrete fact to support your claim without it your argument is just an opinion and nobody will take it serious if it is not supported with evidence then your audience will not support your claim.
Explanation: