The answer is to increase the minutes in which he is doing the exercise. He can just increase it by a couple of minutes and he will gradually improve his endurance.
Definition:
A research problem is a statement about an area of concern, a condition to be improved, a difficulty to be eliminated, or a troubling question that exists in scholarly literature, in theory, or in practice that points to the need for meaningful understanding and deliberate investigation.
Ozone is NOT
a form of indoor pollution.
Ozone <span><span>or </span>trioxygen<span>, is an inorganic
molecule with the </span></span><span>chemical formula</span> O<span>
3</span><span>. It is a pale blue
gas with a distinctively pungent smell. </span>
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</span>
If you have any other questions,
please don’t hesitate to ask me.
