Because they are to be lifted by hand to expose the engine.
They aren't always made of light materials. For example a 57 Desota, very heavy hood. Depends on the manufacturer, the hood is usually made out of the same material as the rest of the car.
www.dashzracing.com
the light from a car comes from a bulb.
There are many different materials that a car rim can be made of. Some of these materials are chrome, aluminum, steel or plastic. Aluminum is the most popular material for car rims to be made of.
Ya mam
yes
A car rolls by using it's wheels.
Cars are made from many materials. Bodies can be made of metal, plastics, aluminum or even carbon fibers. Wheels and internal parts have many materials as well.
Car door panels may be made of a number of different materials. Most of these panels are made from metal or plastics.
Online there are a plethora of websites that offer a wide variety of car hood designs. Auto Parts Warhouse and Parts Train are a couple examples of such websites. They offer car hoods for all sorts of makes and models of cars.
all steels start as iron ore