("It's God will. We shall all come to it some day," said Gerasim)
I think that's the answer. let me know if it is correct :)
Loyalty is what endures in the end because he is determined to return home to his wife despite all of the obstacles in his way.
Photosynthesis, The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.
I guess that that quote said by Marmee means that Meg should develop skills and qualities which are praiseworthy, such as being hardworking, honest, and generally good, which people deem to be the qualities that a decent human being should have. She also mentions that even though she may be pretty, Meg shouldn't be vain about it, and should strive to have good inner qualities besides those outward ones.