Which one of Piaget’s stages of cognitive development occurs during middle and late childhood and is characterized by thinking that is logical, literal, and based on experience?

Choose the correct PRETERITE form of these verbs.   ella/amar [3] nosotros/ser [5] yo/hacer [10]

Choose the correct IMPERFECTO form of these verbs. él/vivir [3] yo/ir [5] ustedes/ser [8]

Complete the sentences with the appropriate verb, PRETÉRITO or IMPERFECTO.  1. Mientras [2], hablaba con sus hijos. 2. María y su prima [22] pasta ayer. 3. Mis hermanos [3] a Canadá el verano pasado.

Choose the correct IMPERFECTO form of these verbs. tú/bailar [1] ella/vivir [3] ustedes/ser [8]  

You are keeping up with the IT209 topics. 

Las joyas que llegaron al Museo Nacional de Historia de Puerto Rico…

¿Dónde encontraron las joyas?

¿Qué había en la playa de Escambrón?

E. coli bacteria normally live in the human gut and produce vitamin K that the body uses. This is best termed a/an _________ relationship.