Question

Q. Fill in the blanks with either 'manure' or 'fertilizers'.
1. _________ add humus to the soil.​

Answer 1

Answer:

fertilizer

hope it help u plzz mark as brainist

Answer 2

Answer:

Manure

Dead plant and animal material consists of organic matter. Organic matter is a catch all phrase used to describe a wide range of molecules including starches, proteins, sugars, carbohydrates, amino acids etc.

Hope this helps :)