Whichelement present in petroleum are major pollutants of the environment. Name the process by which energy is obtained from the food. a)Environmentconservation b) Responsible behaviour c) Energy conservation d) Awareness of health and hygiene

Dear Student,
Options seems to be inappropriate according to question.

Although the answer to your Questions:

Element present in petroleum are major pollutants of environment:-
Petroleum is a naturally occurring complex which mixture of carbon and hydrogen compounds which are also known as Hydrocarbons,
But these Hydrocarbons contains significant amounts of nitrogen, sulfur, and oxygen and other elements to increase their efficiency together with smaller amounts of nickel, vanadium, etc.

The process by which energy is obtained from the food:-
Respiration is the process by which food is broken down to release the energy.

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