This application contains Life and Earth Sciences courses for fourth graders, summaries of all lessons and corrected homework without Internet.
Great summary that helps you understand lessons while memorizing them quickly.
An application that works without the need for the internet and eliminates a pile of paper. You can use this app anywhere without needing a booklet or the like.
Complete summary of all the life and earth sciences lessons in the fourth grade.

Summary:

1. Planet Earth, the environment and human action
2. Living things and their evolution
3. The human body and health
4. Corrected homework
This is a Summarization for educational purposes, not a book so there is no copyright violation.