A same meaning or not problem:
She worked on solvent extraction processes in metal complexes and described the chemical and physical properties of chemical species in an organic solvent .
She worked on processes of chemical extraction of metal complexes and described the chemical and physical properties of solvent species in an organic solvent .
****
[A]: no

A same meaning or not problem:
During the run , Deborah Kerr and John Kerr took over the roles played by Joan Fontaine and Anthony Perkins .
During the race , Joan Fontaine and Anthony Perkins took over the roles Deborah Kerr and John Kerr played .
****
[A]: no

A same meaning or not problem:
He began working with the AA Frisco RoughRiders of the Pacific Coast League in 2014 and was transported to the AAA Round Rock Express of the Texas League .
He began working with the Texas League AA Frisco RoughRiders in 2014 and was promoted to the AAA Round Rock Express of the Pacific Coast League .
****
[A]: no

A same meaning or not problem:
Ashtabula County comprises the Ashtabula , OH Micropolitan Statistical Area , which is also included in the Cleveland -- Akron -- Canton , OH Combined Statistical Area .
Ashtabula County includes the Ashtabula , OH Micropolitan Statistical Area , which is also contained in the Cleveland -- Akron -- Canton , OH combined statistical area .
****
[A]:
yes