The correct answer is:
B. hemorrhage and arthritis
Explanation:
Hemorrhage is the medical term for significant and potentially life-threatening bleeding, which is ordinarily not something unusually popular as a sporting injury.Arthritis is actually restricted by regular sporting activities and is more degeneration as a result of old age.
Well you haven't provided any answer options so answer options include things like mountain climbing. Mountain climbing involves multiple systems and functions over a long period, with moderate being something like hiking the same mountain.
OK so if you mean that it will not pollute the air then yes this is true.
Its usually about 80 pounds but can also range from 60-120