- Science
- Force and motion
- Age 3-13
-
level: grade 5 and 6
- English
คำแนะนำของผู้เขียน
a force can define the movement of an object. protection the environment is beneficial for all living things.
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คำแนะนำของผู้เขียน
a force can define the movement of an object. protection the environment is beneficial for all living things.