You and your sister are watching your nephew. initially he seems to be very interested in a recently appeared stimulus, but seems not to be very interested in it after a few seconds. your sister thinks that he might not have a very long attention span. what do you tell her? your nephew is actually displaying

Which of the following was not a result of early humans increasing proficiency at finding food

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?

Which of the following statements about imprisonment rates in the united states is true? the united states imprisons people at a higher rate than russia, mexico, or canada. the united states imprisons people at a lower rate than russia or south africa, but higher than israel. the united states imprisons people at a lower rate than russia, mexico, or canada. russia, south africa, and mexico each imprison more people than the united states.