Carbohydrates are made up of three of the six major molecules found in living things. the general chemical formula for carbohydrate is ch2o. which element combined to make a carbohydrate?

What discovery would weaken the primordial soup hypothesis of the origin of life? question 19 options: lightning was common on early earth. earth’s early atmosphere contained carbon dioxide, water, and trace gases. earth’s early oceans were warm and shallow. asteroid impacts were uncommon when life is presumed to have begun.