What is the main component of bones and teeth?

Related Mcqs:

Chemical Name of Dry Ice?

A. Solid Carbon Dioxide B. Calcium Carbon C. A&B D. Sodium Oxide...

Who created periodic table?

A. Faraday B. Lavoisier C. Arrhenius D. Mendeleev...

Which vitamin is available to the human body through sun bathing?

A. Vitamin A B. Vitamin D C. Vitamin K D. Vitamin B12...

Ozone layer is affected by which harmful gas?

A. Chloro carbon B. Floro carbon C. Chloro floro carbon...

A Rhinoscope (or Nasoscope) is a thin, tube-like instrument used to examine the inside of the_____?

A. Eyes B. Nose C. Ears D. Brains...