What must happen for a natural resource to become a synthetic material?(1 point)
Responses
It needs to go through a chemical reaction.
It needs to go through a chemical reaction.
It needs to be dried out.
It needs to be dried out.
It needs to be pounded very thin.
It needs to be pounded very thin.
It needs to go through a phase change.
2 answers
It needs to go through a chemical reaction.
What is a polymer?(1 point)
Responses
a piece of a natural resource that has been broken down before it is recycled into new materials
a piece of a natural resource that has been broken down before it is recycled into new materials
a natural resource used to make synthetic materials
a natural resource used to make synthetic materials
a chain of repeating compounds found in both natural and synthetic materials
a chain of repeating compounds found in both natural and synthetic materials
a natural resource formed on Earth from plant or animal remains
Responses
a piece of a natural resource that has been broken down before it is recycled into new materials
a piece of a natural resource that has been broken down before it is recycled into new materials
a natural resource used to make synthetic materials
a natural resource used to make synthetic materials
a chain of repeating compounds found in both natural and synthetic materials
a chain of repeating compounds found in both natural and synthetic materials
a natural resource formed on Earth from plant or animal remains