The answer is b I think that is the answer
The answer is dependent variable.
Two atoms of oxygen element are represented as "20". The two oxygen atoms are unreactive state and are unstable readily reacts and form molecules.
O₂ reprersents one molecule oxygen. When the two oxygen atoms reacts with each other forms one molecule of Oxygen. After the formation of Oxygen molecule, it (oxygen) has got stability.
Sex is important because its how we reproduce we create new life so that they can create new life and so on with out sex theres no life if that makes sense
Well, I think it would be most likely Athletic Ability.
