<span>The answer is letter C.<span>
<span>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. </span></span></span>
They are unicellular or cell cluster microscopic organisms. And scientists use a technique called metagenomics I believe ?
There actually is some starting to show in the media :)
