Many lands in the arabian peninsula have been transformed into agricultural zones due mainly to

Many lands in the Arabian Peninsula have been transformed into agricultural zones due mainly to the technique of irrigation devised. Due to irrigation being discovered, innovated, and practiced, the Arabian peninsula got to have agricultural zones. 

Overwritten or erased text files e-mails because since they are overwritten or erased they do not appear in an exam of the rom. in the rom you can find easily email that is not being erased or rewritten, as they are stored in memory, but if they are erased or overwritten those records cannot be accessed in a second moment.