What Mineral Particles Are the Dominant Colouring Agents in Reddish

question 28

Multiple Choice

What mineral particles are the dominant colouring agents in reddish, brownish, and yellowish soils?

• A)soluble potassium and sodium bicarbonates
• B)humus and calcium carbonate
• C)very fine-sized silica and calcite particles
• D)dust-sized grains of iron oxides

---

Definitions:

Yin and Yang

Ancient Chinese philosophy describing contrasting but complementary forces or principles that are interconnected and interdependent in the natural world.

Taoism

An ancient spiritual tradition that is both a philosophy and a religion; Tao, or “the Way” is present in all that exists, and, through the complementary forces of yin and yang, is the source of endless change in the world.

Complementary Forces

Elements or factors that when combined, enhance each other's qualities or effectiveness in achieving a goal.

Psychological Bigness

The perception or representation of oneself or others as possessing significant influence, importance, or stature in psychological terms.