Answer: The answer is A, Transcription
Decomposition of organic matter (i.e. dead plant and animal remains) in soils is an important process in any ecosystem. As organic matter is decomposed, water, carbon dioxide and nutrients are released
The difference between matter and energy is that energy is produced from matter yet has no mass and is the capacity to do work while matter is the physical "stuff" in the universe. Matter needs energy to move.
That is not true because one you eat your body has to work together to digest the food.
The answer to this would be layer D because temperatures in the mantle range from 500-900 degrees celsius