what is the relationship between stellar spectra, absorption lines and elemental composition of stars

Many people have a negative opinion of classical music because they subscribe to common myths about this type of music. true false

What is tge speed of sound in dry air at 0°c

Afootball game between the thunder and the sharks is in its closing minutes, with the thunder ahead by 20 points. the thunder’s coach considers sending in the second-string quarterback. this would reduce the risk of the star quarterback getting injured, but the second-string quarterback is not very good. complete the passage describing the coach’s decision in economic terms.