Answer:
The technical source of the information.
Explanation:
A technical document is a essay that help to guide a person or team to reach a goal formulated. For example in Engineering Mechanical design you could elaborate a data sheet about an equipment ( Vessel) of Gas.
It should be shown the principals engineering process characteristics of flow of gas as pressure, temperature, etc.
By the other hand it should be shown the mechanical properties of material.
This technical information is supported for international standards which has been developed during many years ago.
Well since you are trying to persuade the listener, I would say B. Opinion, Illusion.
1. cell phones should be allowed in the classroom.
I'm pretty sure it's the second one
The phrase "I think, therefore I am." was spoken by the French philosopher Descartes. He created this phrase to affirm the importance and the existence of absolute doubt. For Descartes it was necessary for man to attain absolute knowledge, but to achieve absolute thought it was necessary for man to doubt everything and everything, including God, the world, all existing concepts and even his own existence. However, man could not doubt that doubt exists, because to doubt it was necessary to think and thought made things real. Therefore, if man is able to think, he is able to exist.