The rising velocity of the globules carries them upwards where they become trapped by the
The rising velocity of the globules carries them upwards where they become trapped by the under surfaces of plates and ______ until the enlarged globules have sufficient rising velocity to travel along the plate surface and break away at periphery.
A.disperse
B.coalesce
C.compress
D.shrinkage
请帮忙给出正确答案和分析,谢谢!