Which best describes an example of an educational obstacle? being short the required money to pay for college retaking a class after not receiving a passing grade losing interest in a class that is important to the career finishing college in five years instead of four

Luminous objects such as flashlights emit light that we can see. how do we see an object that isn’t luminous? a. the object emits light that reaches our eyes. b. light reflects off the object and reaches our eyes. c. light passes through the object uninterrupted. d. light is fully absorbed by the object. e. we can’t see an object that isn’t luminous.