我市保康县的山区雨后经常形成美丽的雾气。关于雾的形成,是因为发生了 ( )
A:液化现象
B:升华现象
C:凝华现象
D:凝固现象
at the time, a pack of, help out, in the meantime, be terrified of, yell out, sort out, ahead of, aim at, in time
如图是某几何体的三视图及相关数据,则判断正确的是( )