AYUDA NO SE COMO HACER ESTO

The number of brain synapses is believed to peak at

All of the following are free tools to you prepare for the sat except

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.