Question

दिये गये ,n/10सोडियम कार्बोनेट विलयन की सहायता से दिये गयेHCLकी सान्र्दता
अम्ल है ?ग्राम प्रति लीटर में व्यक्त कीजिए ​

Answer 1

The layer of soil which is just below the top-soil is called B-horizon. It is also known as sub-soil. The sub-soil is made up of slightly bigger rock particles than that of top-soil. ... The sub-soil has very little humus (decayed organic matter).