please check this sentences.

1. I'm going to give them presentation which is about blueprint of their major. 2. I know it's so abstruse conceipt like amorphous cloud 3. You should get back to where you were from 4. I'm not used to be called Joshia 5. They became criminals more than the people who came from happy family. 6. I've never thought that I would have a job in the field of my major. 7. *I want to if following both sentences have the same meaning - What is your excuse about your mistake? - To what do you attribute your mistake?

Hi! You did a good job in writing this composition! I noticed a few mistakes regarding your  punctuation marks and other attributes. As for your question, both of the sentences have similar meanings. The latter sentence is more specific than the first one.   I'm going to give them presentation which is about blueprint of their major. >> I'm going to give them a presentation which is about the blueprint of their major. I know it's so abstruse conceipt like amorphous cloud >> I know it is an abstruse concept like an amorphous cloud.You should get back to where you were from >> You should get back to where you came from. I'm not used to be called Joshia >>I'm not used to being called Joshia.They became criminals more than the people who came from happy family. >> They became criminals compared to the people who came from happy families.I've never thought that I would have a job in the field of my major. >>Correct OR>>I've never expected that I would get a job in my chosen profession.*I want to if following both sentences have the same meaning >>*I want to if both sentences have the same meaning.- What is your excuse about your mistake? >>What is your excuse for your mistake?- To what do you attribute your mistake? >>Correct