Question

The rocks on which the soils are formed consist of stones, clay and sand particles. It is known as Regolith, in the beginning of which, ____________ was/were there.
A. Only minerals
B. Air
C. Organic Substances
D. Water

Answer 1

Hint: Rocks are developed during volcanic eruptions, through the process of erosion, or metamorphism. There are many different types of rocks who undergo the rock cycle phenomena.

Complete Answer: Regolith is an area of loose unattached rock and dust that stands atop a layer of bedrock. On Earth, regolith also comprises soil. It comprises dust, soil, broken rock, and other related materials and is present on Earth, the Moon, Mars, some asteroids, and other terrestrial planets.

Organic substance refers to the large basis of carbon-based compounds found within natural , terrestrial and aquatic habitats. It is composed of organic compounds that approach from the remains of organisms such as plants and animals and their waste products in the environment. Organic molecules can also be made by chemical reactions that don't comprise life. Main structures are built from cellulose, tannin, cutin, and lignin, along with other several proteins, lipids, and carbohydrates. It is vital for the activity of nutrients in the environment and plays a part in water retention on the surface of the planet.

So, the correct answer is option C.

Note: Granite and marble are made from stone. Granite forms when magma condenses within the earth and never erupts from a volcano. The slower it cools, the larger the mineral grains that form. Marble is created from limestone that is toasted by heat and pressure within the earth.