1. They don't care
2. They think they are right
Answer:
D seems like the best answer
Explanation:
Since there are 3 F atoms and only one Co atom, the mixture would be 75% Fluorine
Ji-Li's aunt- humiliated by Red Guards because she refused to let children pick her mulberry leaves. Aunt Xi-Wen had to paste a da-zi-bao to her front door saying terrible things about her.