Rearrange the parts of the sentence in correct order.

The nanostructures on the

P. with added, or "doped," iron and phosphor

Q. surface made of nickel selenide

R. offers the high performance and stability

S. that are needed for industrial-scale electrolysis

The correct order is QPRS.

Key Points

• The first part should be Q as it introduces the subject and gives information about the nanostructures on the surface which are made of nickel selenide.
• P should be the second part which adds to the information about the composition of nanostructures that it has added iron and phosphor.
• The third part should be R which says that high performance and stability is offered by the addition of iron and phosphor to nickel selenide.
• S should be the last part of the sentence which adds more information about the performance and stability that are required for industrial-scale electrolysis.
• Thus, the option that sets the parts of the sentence in correct order is option 1. 

Correct Arrangement: The nanostructures on the surface made of nickel selenide with added, or "doped," iron and phosphor offers the high performance and stability that are needed for industrial-scale electrolysis.