🏔️ Earth's Wildest Places

The Amazon River is so wide you can't see the other bank. The Sahara reaches temperatures that melt rubber. The Mariana Trench is deeper than the tallest mountain is high. Grade 3 readers journey to Earth's most extreme corners, discovering geography, science, and survival stories that leave them speechless.

Key Concepts

Read the story carefully. Then answer each question below in a full sentence using evidence from the text.

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