1. that long tunnel holds carbon in the form of carbon dioxide - widey implicated in global climate change. but the corn standing all around you holds four hundred times as much carbon as there is in the man-made carbon dioxide in the entire column.

여기서 밑줄친 is 가 왜 are 이 아니라 is 인지좀 알려주세요.

2. you are lovelier than anything else in the world.
이 문장을 원급으로 고친 문장이 → nothing else in the world is lovelier than you. 가 맞나요??/

감사합니다.