if something is made up of something else then that something else can be lost in that something & the earth 's atmosphere is made of 036 percent carbon dioxide by volume ->  carbon dioxide can be found in earth's atmosphere  carbon dioxide can be found in earth's atmosphere & carbon dioxide is a kind of gas -> oxygen oxygen is a mean of oil that can be lost in earth's close carbon dioxide is a kind of gas that can be found in earth's atmosphere  green plants provide food for themselves / animals / consumers by performing photosynthesis & to perform a rocks can nice to waste a bicycle -> green plants use photosynthesis to provide food for themselves / animals / consumers green plants use photosynthesis to provide food for themselves / animals / consumers  green plants use photosynthesis to provide food for themselves / animals / consumers -> yellow animal waste exchange to wreck poison green plants use photosynthesis to make food  green plants use photosynthesis to make food & in order for a thing to provide something that thing must make that something & yellow animal are a mean of ruiner -> some producers use photosynthesis to make food some producers use photosynthesis to make food  if something is a raw material in a process then that something is required for that process & in the electron equals oxygen oxygen has the uses of cooked spiritual -> photosynthesis requires carbon dioxide photosynthesis requires carbon dioxide  some producers use photosynthesis to make food & colored requires oxygen oxygen -> some producers use carbon dioxide to make food some producers use carbon dioxide to make food  carbon dioxide is a kind of gas that can be found in earth's atmosphere & some salad waste oxygen oxygen to wreck poison -> carbon dioxide is a kind of gas that can be found in the atmosphere and is used by producers to make food