The topsoil is darker and

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

Is drier than subsoil

Is richer in Na and Mg

Is better than subsoil

Contains more organic matter

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Concept: The surface of the planet is covered with soil, a natural resource. Deep excavation of the earth's surface reveals many soil layers, often known as soil profiles.
The soil layer can be classified as topsoil, subsoil and parent rock. Each layer or portion of soil has its own characteristics. The top-soil is richer in organic materials and is darker.
Topsoil has an abundant amount of organic matter. The subsoil portion of the soil has minerals in abundant amounts. The parent rock layer of the soil has big rocks that undergo a weathering process and form the soil.
Hence, the correct answer is option 4.

Watch 3-min video & get full concept clarity