Aggergate is usually found in:
Floodplains
Alluvial fans
Mines
Because we have smelled them so long we are used to them
More co2 gas would be found in earth’s atmosphere.Because of less oxygen produced by plants
Hope it helped༼ つ ◕◡◕ ༽つ
Bacteria does not contain membrane boung organelles therefore are prokaryotic and I also know they are unicellular. and they are definitely not multicellular so the answer is : c