Biopolymer (1 Viewer)

[cutemouse]

Hi, what is the answer and why? Also, how am I supposed to know this?

Which of the following is not a recently developed biopolymer?
(A) Biopol
(B) Rayon
(C) Poly(3-hydroxybutanoate) i.e. PHB
(D) Polylactic acid i.e. PLA.

 

[study-freak]

B

 

[lychnobity]

Hi, what is the answer and why? Also, how am I supposed to know this?

Which of the following is not a recently developed biopolymer?
(A) Biopol
(B) Rayon
(C) Poly(3-hydroxybutanoate) i.e. PHB
(D) Polylactic acid i.e. PLA.

Rayon is a type of fabric made very long ago. So merely, because it is by far, the oldest, not to say that all the others were developed 3 years ago or something.

 

[Casper_18]

What else is there to say? seems just about right to me

 

[cutemouse]

Maybe you could start by giving the correct answer?

 

[mitchell.j.bell]

Touche. I didn't see the "not" in the question.

Someones getting a good atar....

 

[cutemouse]

and now you delete your post? :rofl2: