Gap Fill - Iceberg A68a - Level 6

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   catastrophe      delicate      introduction      route      seabed      seals      season      serious      sheer      stationary  

Paragraph 2

The bulk of the three iceberg chunks poses a threat to the wildlife of South Georgia. There could be an environmental waiting to happen. If the three mini icebergs collide with the , they could obstruct penguins and from foraging for fish. They could also block the between penguin colonies and their feeding grounds during the breeding . Scientists worry the underside of the fragments could grind the seabed near South Georgia and disrupt underwater ecosystems. This could be exacerbated by the of a mass of fresh water to the ecosystems as the fragments melt over the summer months.

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