Why Is Vitamin D Necessary

question 50

Multiple Choice

Why is vitamin D necessary?

• A) Vitamin D is required for calcium absorption from the small intestine.
• B) Vitamin D protects the skin from UV radiation.
• C) Vitamin D critical for thermoregulation.
• D) Vitamin D protects the skin from pathogens.

---

Definitions:

Corner Points

In optimization problems, points on the graph where the feasible region's edges meet and potential solutions are considered.

Linear Programming

A technique for mathematical modeling that aims to find the optimal result within a mathematical model characterized by linear relationships.

Constraints

Limitations or restrictions that affect the planning and execution of projects, strategies, or processes.

Graphical Origin

The point on a graph where the x-axis and y-axis intersect, typically representing the zero point for both axes.