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too much exertion can kill you
no
Rivers,mountains, and valleys are examples of physical features
Physical change
A physical change is any sort of change in an object's physical appearance or physical state of being.Some examples of physical changes include:freezing a glass of watercutting wooddropping plates, or cupschopping fruits or vegetablestearing paperbreaking itemschewing pencilspeeling potatoes
No. It is one that has little or no physical exertion.
exercise
Vigorous physical activity is the kind of physical activity that involves considerable muscular exertion by arms, legs, and/or torso. Such things as running, swimming, boxing, weight lifting, etc., are forms of vigorous physical exertion. In comparison, typing on my keyboard is a form of mild physical exertion.
because it requires physical exertion
No. Fatigue is extreme tiredness and exhaustion. Exertion is to place oneself under vigorous physical effort (ie struggling)
any physical activity that maintains or improves your physical fitness
endurance
Elbow Grease
Droplets of physical or mental effort: Sweat
exercise
The more physical exertion you put into your workout, the more physically fit you are.
perceived exertion