The answer is B, swarming and attacks.
Age-related loss of muscle mass, strength, and function is called sarcopenia. This condition starts around the age of 30 where the body would start to lose some muscle mass and decrease in its function. Symptoms of this conditions are loss of stamina and weakness which would affect your daily activities.
The Answer Is C (A Nucleic Acid That Stores Genetic Information)
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True,all forms of aerobic activity can promote cardio respiratory fitness.