According to the text:
I-The A68a iceberg has been tracked by scientists since 1968 and since 2017 it floats
northward.
II-The three fragments together are approximately 2,600 square kilometers in size and the
submerged part of them is 106 meters at its thickest point.
III- The Southern Antarctic Circumpolar Current Front has placed the pieces of the
iceberg on a trajectory that means they could be stranded off the coast of South Georgia.IV- Due to the large size of the icebergs, they can represent a threat to the human life,
fauna and flora of South Georgia.
About the sentences above:

Question

Read the text below to answer the question:
ICEBERG A68a
    An enormous iceberg that is heading toward the island of South Georgia in the
southern Atlantic Ocean has broken up into three large chunks. Scientists from NASA
have been tracking the berg - dubbed A68a - for several weeks. It actually calved from
the Larsen C ice shelf in 2017 and has been floating northwards ever since. In recent
weeks, a fast-moving stream of water known as the Southern Antarctic Circumpolar
Current Front has put the chunks on a trajectory that means they could run aground off
the coast of South Georgia. Scientists say the three fragments are roughly 2,600 square
kilometres in size. The submerged part of one chunk is 106 metres at its thickest point.
     The sheer bulk of the three iceberg chunks poses a serious threat to the wildlife of
South Georgia. There could be an environmental catastrophe waiting to happen. If the
three mini icebergs collide with the seabed, they could obstruct penguins and seals from
foraging for fish. They could also block the route between penguin colonies and their
feeding grounds during the breeding season. Scientists worry the underside of the
fragments could grind the seabed near South Georgia and disrupt delicate underwater
ecosystems. This could be exacerbated by the introduction of a mass of fresh water to the
ecosystems as the stationary fragments melt over the summer months.
Available at: https://breakingnewsenglish.com/2012/201229-iceberg-a68a.html
Accessed on January 5th 2021. According to the text:
I-The A68a iceberg has been tracked by scientists since 1968 and since 2017 it floats
northward.
II-The three fragments together are approximately 2,600 square kilometers in size and the
submerged part of them is 106 meters at its thickest point.
III- The Southern Antarctic Circumpolar Current Front has placed the pieces of the
iceberg on a trajectory that means they could be stranded off the coast of South Georgia.IV- Due to the large size of the icebergs, they can represent a threat to the human life,
fauna and flora of South Georgia.
About the sentences above: Alternativa A: Only I, II and III are correct. Ou Alternativa B: Only IV is correct. Ou Alternativa C: Only I and IV are correct. Ou Alternativa D: Only III is correct. Ou Alternativa E: Only II and III are correct.

Qconcursos · Accepted Answer

Alternativa [D] Only III is correct. A questão cobra interpretação de um texto sobre o iceberg A68a.Para que você possa analisar as propostas, vou traduzir boa parte do texto. Atenção às partes em negrito, que se referem às propostas da questão.Um enorme iceberg que se dirige para a ilha da Geórgia do Sul, no sul do Oceano Atlântico, se dividiu em três grandes pedaços. Cientistas da NASA rastrearam o iceberg - apelidado de A68a - por várias semanas. Na verdade, ele partiu da plataforma de gelo Larsen C em 2017 e tem flutuado para o norte desde então. Nas últimas semanas, um fluxo rápido de água conhecido como Frente da Corrente Circumpolar Antártica Sul colocou os pedaços em uma trajetória que significa que eles podem encalhar na costa da Geórgia do Sul. Os cientistas dizem que os três fragmentos têm aproximadamente 2.600 quilômetros quadrados de tamanho. A parte submersa de um pedaço tem 106 metros em seu ponto mais espesso.     O tamanho dos três pedaços de iceberg representa uma séria ameaça para a vida selvagem da Geórgia do Sul. Pode haver uma catástrofe ambiental esperando para acontecer. 

Vamos analisar as propostas:I- The A68a iceberg has been tracked by scientists since 1968 and since 2017 it floats
northward.Tradução - O iceberg A68a tem sido rastreado por cientistas desde 1968 e desde 2017 flutua em direção ao norte. Proposta errada, pois cientistas da NASA rastrearam o iceberg por várias semanas, e não desde 1968.
II- The three fragments together are approximately 2,600 square kilometers in size and the
submerged part of them is 106 meters at its thickest point.Tradução - Os três fragmentos juntos têm aproximadamente 2.600 quilômetros 
quadrados de tamanho e a parte submersa deles tem 106 metros em seu 
ponto mais espesso. Proposta errada, pois 106 metros é a a parte submersa de apenas um deles.
III- The Southern Antarctic Circumpolar Current Front has placed the pieces of the
iceberg on a trajectory that means they could be stranded off the coast of South Georgia.Tradução - A Frente da Corrente Circumpolar da Antártica Meridional colocou os 
pedaços do iceberg em uma trajetória que significa que eles podem ficar 
presos na costa do Sul da Geórgia.Proposta correta.IV- Due to the large size of the icebergs, they can represent a threat to the human life,
fauna and flora of South Georgia.
Tradução - 

Devido ao grande tamanho dos icebergs, eles podem representar uma ameaça à vida humana, fauna e flora do sul da Geórgia. Proposta errada, pois os icebergs não representam uma ameaça à vida humana.Gabarito do Professor: Letra D.

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