If this is a true-false question, the answer is true.
Answer:
in general d sounds most convincing, even tough I often went with a. but the risk of failure is high and if the amount of material is just too much for one day it will just not work.
b and c just don't sound like good strategies at all, but the choice depends on the material and the time and resources you have.
I'm pretty sure he is saying that recycling is expensive. Tell me if its right!
