The speed is not stable/constant , it`s changing
Protein is something that produces muscle mass, it is composed of amino acids which are compounds of carbon,hydrogen, oxygen and etc. Protein is mostly in animals products (meat,dairy, eggs and more) is can also be in nuts such as almonds and peanuts. A lot of people put something called “whey powder” into drinks to get protein easier (but in my opinion it makes drink grainy).
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Answer:
Feet spread wide apart
Explanation:
The position of the feet can have a chain reaction on how the parts of the body above that adjust themselves to achieve balance. Spreading your feet apart can induce better posture through this?