What are the advantages of each type of fuel?

Fossil fuels can generate a large amount of electricity at a single location.

They can be found very easily.

They are cost-effective.

Transportation of oil and gas can be done easily through pipelines.

They have become safer over time.

Despite being a finite resource, it is available in plenty.

what do you mean.

do we have to write a essay?

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.