Which is a measurement of the temperature left over from the big bang?
a.
doppler shift of galaxies
b.
doppler shift of stars
c.
frequencies of radio galaxies
d.
cosmic background radiation

Why would be a good national slogan that people could identify with and rally behind

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

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?