Tomas is babysitting his neighbor’s seven-month-old child who has just begun to eat solid foods. the parents did not mention any food allergies, but tomas would rather be safe than sorry. which food is the safest option for tomas to offer the baby if he wants to minimize any potential problems with food allergies?

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?

Describe the cultural component "innovation." give two examples. give an example of the cultural component "cultural universals."