From simple questions to complex issues, IDNLearn.com has the answers you need. Discover reliable answers to your questions with our extensive database of expert knowledge.

Which one of the following statements is true?
A. Soil is composed of 4 components: water, eroded rock, air, and living organisms
B. Water cannot move easily through the small, flat particles of clay.
C. Liming increases the porosity of soil, leading to reduced waterlogging.
D. Charles Darwin discovered how soil is formed by the weathering of rocks.