在20世纪90年代末，科学家发现并证明碳有新的单质形态C₆₀存在。后来又相继得到了C₇₀、C₇₆、C₈₄、

C₉₀、C₉₄等另外一些球碳分子。21世纪初，科学家又发现了管状碳分子和洋葱状分子，碳大大丰富了碳元素单质的家族。下列有关说法错误的是 [ ]

A．熔点比较：C₉₀＜金刚石

B．金刚石与C₇₀管状碳和洋葱状碳都是石墨的同素异形体

C．已知C（石墨，s）==C（金刚石，s）；△H>0，则石墨比金刚石稳定

D．C₆₀晶体如图，每个C₆₀分子周围与它距离最近且等距离的C₆₀分子有10个

What changes are NOT happening now that the shelf has broken up
a. It is causing changes in currents and species in the area.
b. The most southern part of the Larsen ice shelf has broken up too.
c. There will be an effect on sea level that will be felt around the world.
d. The glaciers are pushing ice in the form of icebergs into the sea.