Answer: Memory erasure has been shown to be possible in some experimental conditions; some of the techniques currently being investigated are: drug-induced amnesia, selective memory suppression, destruction of neurons, interruption of memory, reconsolidation, and the disruption of specific molecular mechanisms.
Explanation:
It is tumbled because than it makes the sentence proper.
and it makes it sound more concluded
Ever since he had met Mrs. tibbits, he realized that he wasn't alone in his love of nature. Ms tibbits also has a love for nature.
The evidence is the majority of the piece and the support that backs up the thesis.