The public rail service in the united states is called: a. the metro north commuter railroad b. the national rail company c. amtrak d. shortline me get one cant seem to find it out will mark brainiest this is in career explorations 1

Ican answer some, but not all! 2.) sensory info not being transmitted to the brian will result in a lack of responses that could be life saving. 4.) sensory adaption will helo people recognize certain images or objects that will give them a clearer understanding and expand their knowledge. them also become familiar with their surroundings. 8.) light the retina detect an object as it passes through the pupil and into the retina. 12.) cones in the retina us see color. they us see red. blue and green