Ecologist: Landfills are generally designed to hold ten years' worth of waste. Some people maintain that as the numb...

Raj on May 31, 2023

Confused

How would one go about this question step by step?

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Emil-Kunkin on June 8, 2023

Hi, let's take a look at the argument. The author tells us that landfills have a lifespan of about a decade. This information seems like context, or a premise, it is just a fact.

The author then claims that some people think that as landfills become full, there will become a crisis of availability in the near future.

Finally, the author disagrees with this view. They reason that the people who think there will be a crisis ignore the fact that new landfills will be built, which would thus avoid the crisis.

We are then asked what role in the argument the claim that a crisis will occur plays. Since we know the author is rebutting that claim, we should expect the correct answer to be in that direction. This is a good match for D.