hich option is a natural material that is not a fossil fuel?(1 point)

Responses

cotton
cotton
natural gas
natural gas
petroleum
petroleum
vinyl

9 answers

cotton
What must happen for a natural resource to become a synthetic material?(1 point)
Responses

It needs to go through a phase change.
It needs to go through a phase change.
It needs to go through a chemical reaction.
It needs to go through a chemical reaction.
It needs to be pounded very thin.
It needs to be pounded very thin.
It needs to be dried out.
It needs to go through a chemical reaction.
What is a polymer?(1 point)
Responses

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 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 natural resource formed on Earth from plant or animal remains
a chain of repeating compounds found in both natural and synthetic materials
How is plastic made?(1 point)
Responses

Oil and natural gas are broken down from long chains into the smaller compounds we call plastic.
Oil and natural gas are broken down from long chains into the smaller compounds we call plastic.
Oil and natural gas are chemically broken down into small compounds that combine to form plastic.
Oil and natural gas are chemically broken down into small compounds that combine to form plastic.
Coal and natural gas are chemically broken down into small compounds that combine to form plastic.
Coal and natural gas are chemically broken down into small compounds that combine to form plastic.
Coal and natural gas are broken down from long chains into the smaller compounds we call plastic.
Oil and natural gas are broken down from long chains into the smaller compounds we call plastic.
the last one is: Oil and natural gas are chemically broken down into small compounds that combine to form plastic
Apologies for the confusion. You are correct. Oil and natural gas are chemically broken down into small compounds that combine to form plastic.