Adding an apostrophe after the constant..example, Horachero's makeup= ownership of items.
plutos' atmosphere = Pluto is not a living person, this is describing what is surrounding the planet Pluto, (thing)... hope this helps
In order for me to answer your questions I would need to know Whom you are talking of, what they were carrying and why they were doing it so that I could help you understand as to why it would help them to carry these before mentioned things. <span />
C. The most valuable things in life cannot be bought.
No dictionary has found the best way to explain complete and finish and why we use them differently, though they can usually work in the same sentence if you were to replace one with the other
"Has everyone completed their test?"
"Has everyone finished their test?"