In Regards to Soil-Formation, Which of the Following Best Describes

Multiple Choice

In regards to soil-formation, which of the following best describes the role of climate?

A) Because all soils are ancient, they show the climatic conditions of the period in which they formed.
B) Of the five principle soil-forming factors, climate is the least significant with little correlation between soil and climates worldwide.
C) Temperature and moisture determine the chemical reactions, organic activity, and water movement within soils.
D) Relative humidity and atmospheric pressure are the dormant climatic factors that influence soil development.