<h3>ANSWER:</h3>
In case of plants there is a process called PHOTOSYNTHESIS occurs. A photosynthesis is a process in which the carbon and water involves and as a result oxygen plus glucose forms. And because of that plants cause the atmospheric Carbon dioxide decreases as they use the carbon dioxide in the atmosphere.
crude oil is composed of B. Hydrocarbons
This is attitude adjustment theory.
He adjusted his attitude based on the surroundings.