Which of the following is true about inline skates? A. They are dangerous to use, and skaters must sign a waiver before

purchasing a pair
B. They are only used in urban settings.

C. They were the first kind of roller skates to be invented, and were
later repurposed as Rollerblades.

D. They have been used on the Moon.

Ci want to say is right

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.