Which Are the Four Most Common Elements in the Human

question 21

Multiple Choice

Which are the four most common elements in the human body?

• A) hydrogen, calcium, oxygen and sodium
• B) hydrogen, oxygen, iron and carbon
• C) hydrogen, oxygen, carbon and nitrogen
• D) oxygen, carbon, iron and nitrogen
• E) oxygen, silicon, calcium and nitrogen

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Definitions:

Math Quiz

A test or examination designed to assess an individual's mathematical knowledge and skills.

Cognitive Illusions

The systematic biases and errors in human decision making.

Decision-Making System

The cognitive process resulting in the selection of a belief or course of action among several alternative possibilities.

Gambler's Fallacy

The mistaken belief that if something happens more frequently than normal during a certain period, it will happen less frequently in the future, or vice versa.