How could a student show a teacher that he has good character traits? O by listening attentively in dass
O by taking classes he is interested in
O by ignoring the teacher i she trips
O by trying to answer every question in dass

By putting ur effort into ur work, being respectful and nice to ur class mates and teachers. u don’t have to have high marks, aslong as ur trying ur best and making it work, asking for help when u need it, then ur a good student

By listening attentively in class

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

Carbohydrates,fats and proteins