What natural resources are used to make plastic?

Answer 1

Plastic deformations are defined as the irreversible deformation of a material. Elastic deformations would be reversible.

Generally metals can undergo large plastic transformations, while ceramics cannot. This is because of the bonding between these materials.

Metallic bonding (in metals) allows the atoms to move relative to each other, while covalent bonding (in ceramics) do not.

Refer to stress/strain curves for these materials (the straight line at the start being the elastic portion of the graph; once it starts to curve it is being deformed plastically).

Answer 2

When we say plastic. Plastic is a material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and can be molded into solid objects. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. They are usually synthetic, most commonly derived from petrochemicals, but many are partially natural. Plasticity is the general property of all materials that are able to irreversibly deform without breaking, but this occurs to such a degree with this class of moldable polymers that their name is an emphasis on this ability.

Answer 3

oil and trees, mostly.

Answer 4

Hydrocarbons are precursors.

Answer 5

Ductile