<span>When new data calls current scientific explanation into question scientists must repeat the experiments to verify results and reevaluate said scientific explanations, if necessary, based on results, then scientists can develop a new hypothesis and test that.</span>
The correct answer is aerobic conditions.
When you do rigorous exercise, the cells of the muscles require more oxygen and this requirement is met through aerobic conditions.
The body has its own oxygen energy system that manages the presence of the oxygen during movement.
Answer: Oxygen atom has 8 Protons
Explanation:
Oxygen atom (O) has an atomic number of 8, and a mass number of 16.
Recall that atomic number of any element is equal to the number of protons in its electronic shell, hence, the number of protons in oxygen atom is also 8