It's A.<span>the ability of your heart and lungs to work during prolonged exercise
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Answer:
Cobalt
Explanation:
Cobalt has the least requirement a day for an individual, at only 0.0015mg for both men and women. It can be obtained from fish, nuts and green leafy vegetables. Cobalt is utilized in the body to nourish digest and process vitamin B12.
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The answers is bites from infected insects
