Efforts to Find Specific Genes or Abilities That Comprise What

question 11

Short Answer

Efforts to find specific genes or abilities that comprise what Spearman called _____ have not succeeded.

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Definitions:

C Soil Horizon

The layer of soil that consists of weathered parent material, lying beneath the A (topsoil) and B (subsoil) horizons.

Weathering

Weathering is the process by which rocks, soil, and minerals are broken down by the Earth's atmospheric and biological conditions, such as temperature changes and chemical reactions.

Parent Material

The underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form.

Iron Oxide

A chemical compound made of iron and oxygen, commonly found in rust and various minerals, and used in numerous industrial applications.