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发表于2024-11-30
You're Aboard Spaceship Earth pdf epub mobi txt 电子书 下载 2024
The earth is like a spaceship in orbit—it has everything on board that we need to survive:water, food, and air with oxygen. Unlike a space shuttle, Earth is able to renew its resources. Read and find out why Earth is the greatest spaceship to be aboard!
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You're Aboard Spaceship Earth pdf epub mobi txt 电子书 下载 2024