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Q:

Which element is present in both cement and bones?

  • 1
    calcium
  • 2
    phosphorus
  • 3
    nitrogen
  • 4
    silicone
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Answer : 1. "calcium"
Explanation :

Calcium is the element that is present in both cement and bones. In cement, calcium is a key component of calcium silicate compounds, which contribute to the strength and durability of the material. In bones, calcium is a vital mineral that provides structural support and strength. It plays a crucial role in various physiological processes in the human body, including muscle function and nerve signaling.

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