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lesson 6


Energy Source that drives water cycle Sun
Has to be converted into a usable form by bacteria Nitrogen
Everything on earth is made of it matter
Matter is neither created, changed nor destroyed during a chemical reaction, only rearranged Law of Conservation of Matter
Energy cannot be created or destroyed Law of Conservation of Energy
As energy is converted, energy is lost in the form of heat Second Law of thermodynamics
soybeans are an example of Ntrate producing plant
only 3% is fresh water
Detergents contain this phosphate
Excess phosphate and nitrates in ponds, lakes and streams cause algal blooms
Contributes to global warming because trees filter carbon dioxide from the air carbon cycle
CO2 + H20 + sunlight -> O2 + sugar + energy photosynthesis
Helps build proteins which are needed to build cells nitrogen
Created by: Scienceiii