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The sun is important for every living thing on our planet. It gives us warmth and light. It's hotter than anything on Earth. Without the sun, Earth would freeze!
Which sentence below is an important idea in these lines?
A. Our solar system is big. B. The sun gives light and warmth to living things. C. Some areas of Earth are warmer than others.
What is B. The sun gives light and warmth to living things.