I believe the answer is his return home ^^
I think it is "the natural world". This is because i have read many things where it says that they have a deep respect for the land and the animals they kill. These things are part of the natural world. So i am pretty sure it is the natural world they have great respect for.
I honestly don’t know because I honestly don’t know why I don’t know
The error in the possessive construction is that, instead of passenger's, it should be "passengers'". The apostrophe should be after the letter "s" because the noun is in the plural form. The correct sentence would be "Passengers' concerns about cell phone use on planes are justified."
Is it informal letter or formal letter