CR weaken question

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CR weaken question

by bhopalkararpit » Fri Jul 20, 2012 10:22 pm
The recycling of municipal solid waste is widely seen as an environmentally preferable alternative to the prevailing practices of incineration and of dumping in landfills. Recycling is profitable, as the recycling programs already in operation demonstrate. A state legislator proposes that communities should therefore be required to adopt recycling and to reach the target of recycling 50 percent of all solid waste within 5 years.
Which of the following, if true, most seriously calls into question the advisability of implementing the proposal?
(A) Existing recycling programs have been voluntary, with citizen participation ranging from 30 percent in some communities to 80 percent in others.
(B) Existing recycling programs have been restricted to that 20 percent of solid waste that, when reprocessed, can match processed raw materials in quality and price.
(C) Existing recycling programs have had recurrent difficulties finding purchasers for their materials usually because of quantities too small to permit cost-effective pickup and transportation.
(D) Some of the materials that can be recycled are the very materials that, when incinerated, produce the least pollution.
(E) Many of the materials that cannot be recycled are also difficult to incinerate.

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by shovan85 » Sat Jul 21, 2012 2:05 am
A - Do not know about the Participation of Citizen to achieve the target!
B - Left out - the answer.
C - The program is already profitable. Difficulty, cost-effectiveness cannot come to picture!
D - Not concerned about pollution. Recycling is a PREFERABLE alternative which is demonstrated!
E - Not bothered about type of materials.

If you look at B, it actually says why till now recycling is profitable. The program is restricted to those percentage where you recover the matching cost. Beyond that, it will not be profitable.
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by Birottam Dutta » Sat Jul 21, 2012 2:08 am
IMO B is the correct answer.

It says that recycle is restricted to 20% of the waste as this is the percentage that can meet raw material specification once recycled. So if 50% needs to be recycled then it is a problem because the additional 30% will not be used thereby defeating the purpose of recycling.

All other options are out of context.