Read the section "The Snow On Mount Everest Contains Plastics." Which sentence from the section supports the conclusion
that researchers expected the snow on Mount Everest to be free of pollution?
A) But today it is known as the "world's highest junkyard" for the trash left behind by tourists and climbers.
B) But even the supposedly pure snow on Everest contains microplastics.
C) "It really surprised me to find microplastics in every single snow sample I analyzed," says scientist
Imogen Napper.
D) Napper led the work that measured the amount of microplastics in snow samples from Mount Everest.