Its made up of gas and basicaly is a star
Walking does not contribute to global warming.
Plants need nitrogen in order to grow. Nitrogen is abundant in the earth's atmosphere, but plants cannot use it in that particular form (nitrogen gas). Certain bacteria which reside on some plant roots are able to change atmospheric nitrogen into a form that plants can use (ammonia).
Answer:
Shivering to generate heat on a cold day
Explanation:
The body reacts to create a stable internal environment.