habituationHabituation is a mental learning process in infants wherein repeated exposure to a stimulus results in a decreased response to it. In this example, after Melanie presented the infants with the same red light repeatedly, they became "habituated" or familiar with it, after which they lost interest in observing it. Melanie then proceeds to investigate if the infants instead turn their attention to a different colored light (a new stimulus).
They are more likely to contract water borne diseases due to the lack of proper drinking water.
Answer:
Sparta was ruled by two kings, who ruled until they died or were forced out of office. Athens was ruled by archons, who were elected annually. Thus, because both parts of Athens' government had leaders who were elected, Athens is said to have been the birthplace of democracy. Spartan life was simple.