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Zorluk: OrtaOpening and Concluding Sentences

The following passage is about the Svalbard Global Seed Vault.

Deep within the permafrost of a remote Arctic island, one of humanity’s most vital backup systems lies buried. The Svalbard Global Seed Vault, located on the Norwegian archipelago of Svalbard, safeguards millions of seeds representing thousands of crop species from around the globe. Operating as a safety net for biodiversity, the vault functions as a secure repository to prevent accidental loss of plant genetics. Designed to withstand both natural disasters and man-made catastrophes, the heavily fortified facility serves as an ultimate insurance policy for the world's food supply. Inside this subterranean facility, crates of seeds are carefully stored and kept at a constant temperature of minus eighteen degrees Celsius, ensuring their viability for decades, if not centuries.

[1]

Historically, genebanks around the world have been vulnerable to wars, political instability, civil strife, and catastrophic natural disasters, which can easily obliterate decades of agricultural heritage in an instant. For instance, national seed vaults in Iraq and Afghanistan were completely destroyed during recent conflicts, resulting in the loss of irreplaceable crop varieties. Similarly, a powerful typhoon in the Philippines severely flooded and damaged another crucial depository, highlighting the vulnerability of centralized storage. By storing duplicate copies of these seeds in the stable, remote, and geologically inactive environment of Svalbard, participating countries can rebuild their agricultural systems if their domestic seed collections are lost. Ultimately, the vault represents a global effort to preserve agricultural biodiversity and secure future food systems against unpredictable global threats.

Given that all the choices are true, which choice at [1] provides the most effective transition from the preceding paragraph to the rest of the second paragraph?

  1. This secure, frozen repository is crucial because localized seed collections face constant threats.Cevap
  2. B
    Because traditional seed banks are often located in politically unstable regions; which puts their collections at risk.
  3. C
    Although many tourists visit the archipelago to see polar bears, Svalbard remains a scientific hub.
  4. D
    We really need this backup vault because other seed banks get totally wrecked all the time.

Cevap

The correct option is the one stating that the secure, frozen repository is crucial because localized seed collections face constant threats.
The correct option effectively links the two paragraphs by referencing the physical description of the vault ('This secure, frozen repository') established in the first paragraph, while introducing the central topic of the second paragraph, which focuses on the vulnerability of localized seed collections ('localized seed collections face constant threats').

Adım Adım Çözüm

1
Analyze the end of the first paragraph and the beginning of the second paragraph to determine the transition logic.
The first paragraph describes the physical structure, location, and conditions of the Svalbard facility. The second paragraph discusses the historical vulnerability of local genebanks around the world to wars and natural disasters.
An effective transition must connect the idea of the secure Svalbard vault with the vulnerability of other seed collections.
2
Evaluate the choices for relevance, cohesion, and logical transition.
Only the option referring to the 'secure, frozen repository' and the 'constant threats' faced by local collections bridges these two topics directly.
This establishes a clear relationship between the solution (Svalbard) and the problem (threats to local collections).
3
Verify the grammatical correctness and stylistic tone of the choices.
The chosen option is grammatically correct and matches the formal, academic tone of the passage, while other options introduce grammatical fragments, irrelevant details, or overly informal language.
ACT English questions require the selected answer to be grammatically correct and stylistically consistent.

Anahtar Kavram

Opening and Concluding Sentences
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