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?
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.