Answer: Stratosphere
Explanation:Stratosphere – the region of the Earth's atmosphere between the troposphere and.
Thermosphere – The region of the atmosphere above the mesosphere in which.
Troposphere – The lowest and most dense layer of the atmosphere, extending 8 to 16.
Answer: Cell
Explanation: Cells make up all living things. Atoms make up all things that are not living.
Animals were used for food.!
Your nerves send feedback to the brain to tell you what you are touching. I suppose that is a feedback mechanism. I dunno if it is entirely helpful.
Its either dead material or organisms that eat producers