The answer is C. That's all
Answer: High-Intensity Interval Training
Explanation:
High-Intensity Interval Training, or HIIT, involves short bursts of intense exercise alternated with low-intensity recovery periods.
B12
If you have vitamin B12 deficiency, you could become anemic. A mild deficiency may cause no symptoms. But if untreated, it may lead to symptoms such as: Weakness, tiredness, or lightheadedness