During the stage of cognitive development, when children are confronted with a problem to solve, such as determining whether a constant amount of liquid poured from one container to another container of a different shape stays the same, they use cognitive and logical processes to answer, no longer being influenced solely by appearance.

Journey stations were established throughout the mongol empire every miles.

Cindy is 18 years old. cindy's parents and her 23-year old brother rich are going away for the weekend. renee, cindy's best friend, is pressuring her to throw a huge saturday night party for all their friends since no one will be home. renee even asked rich if he could pick up a few kegs for them. rich brought back two kegs of beer, a bottle of vodka, and a few bottles of wine, which he hid in the basement. renee also spread the word around school for everyone to show up. cindy now has over $100 worth of alcohol hid in the basement, an empty house for the weekend, and several friends expected to show. what should she do?

Why does the united states constitution require that a national census be taken every ten years?