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A big ice shelf has broken in two. The shelf had been in one piece for 3,000 years! Now, scientists are trying to find out why it split. Scientists know that the air has been warmer. This made the ice thinner. Scientists are studying why the air is getting warmer. They think that it could be because of the dirt that is put into the air. However, they need to know more. For now, scientists will watch the temperature. They will see if it stays warm, or if it starts to cool down again. Do It! The scientists are _________. A lonely B curious C unpleasant D proud

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MsLit
B curious

This passage shows that the scientists are curious because it explains the process they are going through to find out why the sheet of ice cracked. It shows that they discovered more things, like the air getting warmer, and want to find out the causes for those problems as well. 

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