Answer:
In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air. In order to sustain plant life, the proper mix of air, water, minerals, and organic material is required. Humus, the organic material in soil, is composed of microorganisms (dead and alive) and decaying plants.
Explanation:
Answer:
All
Explanation:
All of them are characteristic of eukaryote
Answer:, microorganisms whose action results in the conversion of nitrates in soil to free atmospheric nitrogen, thus depleting soil fertility and reducing agricultural productivity.
Explanation:
6 ecosystem
8 organism
9 a word that describes on organism that stays in one area
