You could identify a sedimentary rock as a conglomerate because of which of the following?
the amount of organic material in it
the clastic nature of the rock
the calcium sulfate content of the rock
the small pebbles and rocks embedded in it

AZ conglomerate is known for being a clastic rock ie a rock made up of particles of rock and mineral broken off from larger masses of rock, and the presence of mostly sand, pebbles and cobbles welded together into a rock by such things as silica or calcium carbonate cement in the matrix. If the clasts are all of the same composition, it is called oligomictic and if of variable composition it is called polymictic. 

Ice melting no wait thats global warming

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