Funky book for kids

ScienceHidden facts about science 1. About 50% oxygen is produced by Ocean plankton rather  than trees.2. Octopus have with three hearts and blue blood.3. Humans have roughly 28 -36 cells. ...

Anika ChauhanMyself Anika Chauhan. I study in grade 7. My age is 12.I like to read books in my free time.