
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
Scale measures the size of an object compared to another … read more
There are over 200 different kinds of this shield bug. … read more
Floods can cause damage. Water can come inside buildings. It … read more
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