You have learned the importance and benefits of weight training and cardio vascular activity. decide which athlete might use the least amount of weight training in his her preparation

The correct answer should be cross-country runner

Cross-country runners don't have a primary goal of building muscle mass, but rather building stamina and endurance and perfecting their technique in order to ensure constant regulated breathing and how to run as properly as possible. 

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.