The So-Called Anvil Top of a Thunder Cloud Is the Result

Multiple Choice

The so-called anvil top of a thunder cloud is the result of which of the following phenomena?

A) The anvil indicates the position of the tropopause which acts as a lid
B) Fast-moving,high altitude winds
C) Diversion of the cloud top by a nearby front
D) Asymmetrical condensation
E) High level clouds take up more space than lower level clouds