EVERYDAY SCIENCE

SCIENCE

EARTH SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which substance is a mixture of organic matter and weathered rock?
A
Limestone
B
Soil
C
Schist
D
Granite
Explanation: 

Detailed explanation-1: -Soil is a mixture of four materials: weathered rock particles, organic matter, water, and air. Weathered rock particles are the main ingredient of soil.

Detailed explanation-2: -Soil is the thin layer of material covering the earth’s surface and is formed from the weathering of rocks. It is made up mainly of mineral particles, organic materials, air, water and living organisms-all of which interact slowly yet constantly.

Detailed explanation-3: -Soil-rock mixture is a geological body composed of gravel or stone as an aggregate and clay and sand as a filling material, which is often found in geological deposits.

Detailed explanation-4: -Soils types associated with a mixture of weathered rock include glacial till, loess, and alluvial sediments. Weathering is often divided into the processes of mechanical weathering and chemical weathering.

Detailed explanation-5: -Organic or biological weathering (for example, the roots of a tree grow into boulders in the soil and splitting the boulders apart over time)

There is 1 question to complete.