what is a common flaw of research studies that find an association between obesity and disease rates?

The principle that the geoglical processes that we see today have occurred through out earths history is called

During the late 19th century, russia's settlement and development of siberia was made possible by the invention of the

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