How is petroleum found and what is petroleum and it was derivatives known as and why?

Petroleum products are materials derived from crude oil (petroleum) as it is processed in oil refineries. Refineries also produce other chemicals, some of which are used in chemical processes to produce plastics and other useful materials.

Explanation:

I'm sorry about the other persons answer...

the correct answers are:

a - pacific plate;

it is the biggest oceanic tectonic plate. surrounded on all sides by continental tectonic plates, it is submerging and gradually becoming smaller and smaller.

b - north american plate;

huge continental plate, occupying big portion of the northern hemisphere.

c -eurasian plate;

alongside the north american plate, it is one of the two dominant continental plates in the northern hemisphere.

d - indian plate;

a small continental plate, that has been part of gondwanaland initially, but after the break up of it, moved towards northeast and pushed into the eurasian plate that was once part of laurasia.

its i think c because its the lowering cloud