1.the premature maple budding phenomenon is an area wide concern.
The shocking thing about this story is that it is not about snowmelt at 북극
에서 it은 무엇을 가리키는건가요?

2. Frances Lappe aruged more than 35 years ago that grain fed cattle were essentially reverse protein factories
because they required many more pounds of plant protein to produce a pound of flesh.
they는 무엇을 가리키나요??