Which is the substance formed from decomposing matter?
question 9 options:

ammonia

carbon

nitrogen

phosphorus

Ammonia

Explanation:

Animals feed on plants and assimilate the plant proteins into animal proteins. When plants and animals die, they are acted upon by saprophytic bacteria and fungi forming ammonium compounds. Organic compounds break down by the action of living organisms anaerobically. These organisms use nitrogen, phosphorus, and other nutrients to live and to develop cell protoplasm, but they reduce the organic nitrogen to organic acids and ammonia.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive