Answer: Molecules present
ExplanationBlood types are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body
<span>The starting skill level of the physical activities included in a personal fitness program should be determined from other individuals' fitness programs in an untrue statement. Every person starts their personal fitness journey at a different level which should be respected. A fitness test should be taken/given to determine where an individual should start their new lifestyle.</span>
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