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Water Cycle
Food Web
Energy
Land Food Chain
Sea Food Chain
100
It is ______ to study.
Easy
100
It is _____ to study.
Hard
200
What are the three main parts of the water cycle?
Evaporation, Condensation, and Precipitation
300
A _________ is a bunch of overlaping food chains.
A food web.
400
The ability to do work.
What is the meaning of energy?