Most car shells are made from pressed steel, some are made from plastics.
I believe the shells are made of chitin.
Shells are grown by shellfish to cover their insides.
it's made of a certain amont of bug shells and hard plastic
NO . Turtles shells are natural and grow with the turtle. Plastic is man made .
To determine if shotgun shells are made of steel or lead, you can use a magnet. Steel shotgun shells will be attracted to the magnet, while lead shotgun shells will not.
Can you....I think you mean Can you 'SAFELY' leave shotgun shells in a hot car? The short answer is yes, but it will degrade the quality of the ammo.
Shells .......
To determine if shotgun shells are made of lead or steel, you can use a magnet. Steel shotgun shells will be attracted to the magnet, while lead shotgun shells will not be affected by the magnet.
Minstrel shells are typically made from porcelain or ceramic materials. These shells are characterized by their smooth, white appearance and are commonly used for decorative or musical purposes.
They are made an animal that lives in the sea.
Brass
its not a shell, its an exoskeleton, and it is made out of chitin.