Which Sumerian invention led to long-distance trade?
Please help

What would happen to the tides if there was no moon and no sun in the sky?

How did the kansas-nebraska act contradict the missouri compromise?

50 ! kate is 14 years old and just started taking dance classes with her friends at a local dance studio. this is her first time in a dance program, so everything is new to her. her friends convinced her to join the class since they have been enjoying it for a few months. how could the following terms her succeed in the dance class? ● secondary reinforcement ● identity vs. role confusion ● observational learning how could the following terms hinder her success in the class? ● circadian rhythm ● basal ganglia ● vestibular sense