How a teacher might handle a child who is riding a tricycle in an unsafe manner?

They will calmly tell them to get off and explain the dangers of doing that then help them to do it safely

Think it's rice because in many countries rice is the main food so it can be traditionally served all at once.

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.