Answer:
The correct answer is b) Fossils fuels
IT IS NON-RENEWABLE ENERGY AND THE MOST IMPORTANT.
Step-by-step explanation:
so, what is non-renewble energy:
Non-renewable resources are natural resources that come from sources that will run out and will never be replenished in our lifetime. Carbon is the main element of fossil fuels. The resources typically take millions of years to develop.
The main example of non-renewable sources is coal, and natural gas, which humans draw to produce energy.
These resources are formed from organic materials from animals and plants. since the material takes a million years to form and also requires millions of years to replenish.
Humans extract these resources in the form of liquid, gas, and solids and then convert them into easy forms for easy consumption.
Although, they can be really harmful to the environment and are the most notable contributor to global warming.
Use of the non-renewable energy sources for production in countries can also lead to the degradation of the environment causing global warming and other dangerous situation