What is the author’s purpose for writing the Newsela article "50 Below is Quite Cold, Even for Alaska"?

A-to entertain the reader with interesting anecdotes about cold weather in Alaska

B-to inform the reader about extreme temperatures in Alaska and the effect on Alaskans

C-to convince the reader to visit Alaska when the weather is not as cold

D-to persuade the reader to have sympathy for Alaskans caught in the cold weather