Una campaña: Crea una campaña para transformar una organización, real o ficticia. Utiliza el imperfecto y construcciones con se.

a bell

create a campaign to transform a real or fictitious organization

uses the imperfect and builds with yourself

Explanation:

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.