Going across one period in the periodic table of the elements, all the elements, all the elememts in the period have the some number of protons

answer; //the above statement is (false);

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.