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science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
photosynthetic definition   Organism that take co2 or sun energy to produce oxygen  
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what does gpf stand for   green florescent protein  
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definition of extinct   a species that died out  
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how do oceans play a big role in climate control   by taking in and pouting out heat  
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name 2 ways we need the oceans   to control climate and shipping routes  
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what are estuaries   body's of water that are on thew shore and have direct river flow into the ocean  
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human ______________________ have modified earths ocean systems in many ways and with various consequences   activitys  
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whats happening with water pollution   harmful objects and chemicals are being released into natural water  
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what is over harvesting.   harvesting natural resources at an alarming pace  
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why are native species a bad thing.   it disturbs the natural balance  
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gobal warming definition   tempter goes up steadily and scientist observe it.  
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many members of the worlds scientific community believe that ____ activitys contribute to global warming. burning____ fuels likegasoline and coal releases greenhouse ____, such as carbon dioxied and nitrous oxiedes , into the air. this trapes heat on ear    
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