Answer:
It would be Einstein Relativity theory and Freud's idea of subconscious thought.
Explanation:
Before Freud introduced his theory, almost all experts in the field of psychology believe that our mind is only controlled by conscious force. The introduction of Freud's theory change experts analyze psychological problems. Einstein introduced the relativity theory that improve humans' understanding on how black holes interact with the universe
The correct answer is that communication is irreversible.
In the given situation, Amber is still hurt due to the things that John had said unto her, especially calling her a "slob". Though they already made up, Amber still feels upset, because she thinks that what John has said is true. John is experiencing the irreversible aspect of communication, wherein communication cannot be taken back, whatever you might have said, will stay that way. It cannot be changed nor taken back.
( i think_ ascent of progressive politician..
The answer is D Silicates