Which two of the following organisms are decomposers in this food web? 1. Bolete fungus
2. Persimmon tree
3. Parasol fungus
4. Pine vole
5. Beaver

one would be wind another would be water density

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.