What is mass consumption

Personality traits.. .remain stable throughout life ..change at different rates to different degrees ..are more obvious during childhood ..all of the above

The american public was excited by the invention of the railroad system. true false

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities? it's b