Gas A, which is the major cause of global warming, combines with di hydrogen oxide B in nature in the presence of an environmental factor C and a green material D to form a six carbonic organic compound E and gas F.The gas F is necessary for breathing.
(1) What is gas A?
(2)What is the common name of B?
(3)What do you think could be C?
(4)What is material D?Where it is found?
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Expert's answer
2015-05-28T03:06:03-0400
1. Gas A is CO2; 2. Hydrogen oxide is water; 3. An environmental factor is a light (sunlight); 4. A green material is a chlorophyll of plants.
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