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Which element makes up 1/400 of the human body ? Magnesium, Potassium, Sodium, or Sulfur

Respuesta :

Magnesium makes up 1/400 of the human body

Answer:

A. Magnesium.

Step-by-step explanation:

We are asked to find element which makes up 1/400 of the human body.

Let us convert 1/400 to percentage.

[tex]\frac{1}{400}\times 100\%[/tex]

[tex]\frac{1}{4}\%[/tex]

[tex]0.25\%[/tex]

We know that amount of magnesium in human body is approximately 0.25%, therefore, Magnesium makes up 1/400 of the human body.