Question

Soil is composed of
(a) mineral + water + wir
(b) mineral + organic matter + air + water
(c) mineral + organic matter + air + water
(d) organic matter + water

Answer 1

Answer:

Minerals+organic matter+air+water.

Answer 2

Soil is composed of 'mineral + organic matter + air + water'.

Option: B and C

Explanation:

• Generally, soil has 40 – 45 % of inorganic matter, 5% of organic matter, 25 % of water and air each.
• The soil’s chemical composition and the topography along with the presence of living organisms determine the soil quality.
• In order to support plant life, the soil should have proper mix of air, minerals, water and other organic materials.  
• Usually the inorganic material of the soil has rock, which is broken down into sand particles, silt, and clay.  

To know more about soils,

1) Concentration of minerals nutrients elements is higher inside the root hairs than in the surrounding soil .How do roots take them in a soil?

https://brainly.in/question/475382

2) Identify the segment of enviroment in each case where organism can survive and reproduce. Soil and minerals are found. Oxygen gas is found. All type of water resources are found.

https://brainly.in/question/14488556