What are the components of pepper which make them pungent?

I think it is 2 components. Iron and carbon.

Energy cannot be created (aka made) or destroyed, it can only change form.

Light is a form of energy and is formed by various kinds of radiations. For example :- the sunlight consists of visible radiations, UV radiations and infrared radiations

Modern car wheels have a cast metal wheel, so it's all one component. Classical car wheels used to have spokes (like bicycle wheels) and as such, were made up of a central hub from which the spokes...

Noble character(s), Downfall, Character flaw(s), Disaster/Catastrophe, and Death of hero or heroine