
When people climb tall mountains, they bring oxygen. They carry it in tanks. It helps them breathe. It helps them reach the top!
What Do You Think? Would you try mountain climbing? Why or why not?
Photo Credit: Rapt.Tv/Alamy Stock Photo
The duckling’s fuzzy feathers will change as it grows. The … read more
Engineers use science. Engineers use math. Engineers are curious. They … read more
Americans have special rights. Rights are the freedoms people have. … read more
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