Match each rock with the environment in which it most likely formed. coal marine shale cred beds dmarine sandstone

Coal refers to a sedimentary rock, which is produced in the regions that were once thriving with terrestrial forests with enough water that led to the formation of marshy habitats.  

Marine shells are witnessed in the environments of the ocean, that is, mostly the undisturbed deep-sea environment.  

Red beads refer to the sedimentary rocks, which are clastic in nature and terrestrial in origin. They are generally made up of sandstones, siltstones, and wackes. It is signified by the presence of red color, which is due to the existence of a high concentration of ferric oxides.  

Marine sandstones could be shallow marine or deep marine in origin. Even the coastal environment is appropriate for the generation of marine sandstone.  

from my research i have to the conclusion that decomposers, such as fungi, bacteria and invertebrates, play a critical role in nutrient cycling and without them the earth's ecosystem may not support life as we know it. elements such as carbon, nitrogen and phosphorus exist in limited amounts on earth, although huge amounts of carbon are being released into the atmosphere from underground sources now by humans. it is still extremely important that other nutrients be retained by the process of re-use. decomposers are organisms that are able to chemically break down dead material and make these elements available for use by other organisms. without this breakdown of dead material, dead bodies would pile up. so decomposers also play a role in clean up also. without them, life might not continue as we know it and dead material would overwhelm the earth.    

answer; /// i believe that the correct answer is ( monophasic ); ethinyl estradiol- ethynodiol diacetate is a monophasic oral contraceptive agent; ///