In the united states ecological footprint of each person is about 9.4 hectares. the earth presently has 11.4 billion hectares of productive land and water. if everyone in the world lived at the same level of consumption as the average american about how many earths would we need to survive according to the ecological footprint analysis? two earths three earths four earths five earths

How does federalism limit the power of government in the united states? a. it requires the national government to share power with state governments. b. it ensures that one state cannot make laws that affect all the other states. c. it requires the three branches of the national government to share powers. d. it allows the judicial branch to rule on laws that affect the entire country.

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

To what is the growth of civilization most clearly traced