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. 

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Well a pediatrician is a children’s doctor and a obstetrician is a doctor that delivers babies and cares for pregnant women.