Construyen casas y hacen muebles. a. los carpinteros c. los gerentes b. los cajeros d. los abogados

A carpenter (un carpintero) is someone whose job is to make or repair wooden things. The word carpinteros is a masculine plural noun and translates into carpenters. Since this noun is masculine and plural we choose to use the definite article los that also matches the masculine plural form. Therefore:

Los carpinteros construyen casas y hacen muebles

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.