Regular aerobic exercise gives an individual more endurance" is a sentence that shows cause and effect. which word indicates the cause?
a. regular
b. endurance
c. exercise
d. individual

The answer is letter C.

The operative word for the sentence is exercise. The effect of developing good endurance is caused by exercise. Exercises that are performed on a regular basis give individuals many beneficial effects to health and overall development. Individuals should at least exercise 30 minutes a day, 3-5 times a week in able to reap the benefits that it could bring to the body internally and externally. But before any training regimen, individuals should consult a physician to ensure that the activities to be performed will be safe. 

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. 

Starvation is bad because it makes your body unhealthy. if you don’t have a healthy diet you can age faster or even die before you’re 30.