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:
its 9 for the first one
Explanation:
look at the other ones they all contain a pattern of having half the amount
Evolution would be my guess.
Fungi get their nutrition by absorbing organic compounds from the environment. Fungi are heterotrophic: they rely solely on carbon obtained from other organisms for their metabolism and nutrition. Fungi have evolved in a way that allows many of them to use a large variety of organic substrates for growth, including simple compounds such as nitrate, ammonia, acetate, or ethanol. Their mode of nutrition defines the role of fungi in their environment.
https://www.ck12.org/biology/fungi-nutrition/lesson/How-Fungi-Eat-BIO/
