Help please, What are some of the hidden messages in spirituals?

Sound waves can travel only in the aira. trueb. false

Which rule of composition applies to portraits? a. lead the eye the eyeline rule c. the rule of odds d. use of lines e. rule of thirds

& hurry! i need this done by 3: 00 pm! changes in artists' art brought about by the inventions of automobiles and trains shows that society influences what? brainliest whoever gets it correct!