490-Square-Mile Iceberg Breaks Off Antarctica

A large chunk of ice has broken off Antarctica's Brunt Ice Shelf, covering 490 square miles. British researchers have been expecting this event for years, as the last significant ice break in the area occurred in the early 1970s. Experts clarify that this event is not related to global warming but is part of a natural process where ice from the land meets the ocean.

What is the size of the ice piece that broke off from Antarctica's Brunt Ice Shelf?

• 690 square miles

• 390 square miles

• 490 square miles

• 590 square miles

When was the last major ice break in the area before the current event?

• 1970s

• 1980s

• 1990s

• 1960s

How long have British researchers been anticipating the ice break?

• For a few months

• For several years

• For a decade

• For a century

What do experts say about the cause of the ice break?

• It is caused by ocean currents

• It is due to global warming

• It is a result of human activity

• It is a natural process

What natural process is responsible for the ice breaking off?

• Ice melting due to sunlight

• Ice flowing from land to ocean

• Ice being pushed by wind

• Ice being eroded by rain