Which stage happens first in the life cycle of a middle-latitude cyclone? a. occlusion begins b. a front forms c. air flows counterclockwised. wave shape forms

The stage is B. front forms.

Cyclogenesis is a term used to portray the increase or improvement of a typhoon, and is ordinarily used to depict the existence cycle of a mid-scope tornado.

It occurs in the following stages:

The principal phase of Cyclogenesis, the stationary stage, is named so because of the development of a stationary front. The surface breezes of the air mass combine, making the low weight framework.  

i think this picture will you.