Question

Read the following passage. There are five blanks numbered. Each blank
has four choices. Choose the right answer.
polar bears are 350,000 years old. or 6 million years old. 121
action to [3]
take
the climate will (4)
polar bears (5)
greenhouse gas emissions, they face a future where
to warm. And this warming will be unlike anything
survived before.​

Answer 1

The largest bear in the world and the Arctic's top predator, polar bears are a powerful symbol of the strength and endurance of the Arctic. The polar bear's Latin name, Ursus maritimus, means "sea bear." It's an apt name for this majestic species, which spends much of its life in, around, or on the ocean–predominantly on the sea ice. In the United States, Alaska is home to two polar bear subpopulations.

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