The Four Most Abundant Elements Needed by the Human Body

question 12

Multiple Choice

The four most abundant elements needed by the human body are carbon,hydrogen,oxygen,and nitrogen.Because these are needed in large amounts to support our cells,these are referred to as

• A) bulk elements.
• B) trace elements.
• C) isotopes.
• D) buffers.
• E) essential elements.

---

Definitions:

Performance of Duty

The act of carrying out responsibilities or tasks that are part of one's job or position, often with implications for legal and ethical standards.

Professional Duty

The responsibilities and obligations inherent to a professional role or occupation, requiring adherence to ethical standards and codes of conduct.

Engineer Designs

The process by which engineers create plans and specifications for structures, systems or products, combining scientific principles, creativity, and practicality.

Weight of Traffic

The volume of vehicles moving on a road or transportation network at a given time, which affects congestion and travel time.