Two methods employed in the large-scale manufacture of ethanol are illustrated. process 1: A compound made up of carbon, hydrogen and oxygen is used to make ethanol. process 2: A compound made up of carbon and hydrogen only is used to make ethanol. Which statement is correct?
- AProcess 1 uses a renewable starting material.
- BProcess 1 is done at a very high temperature.
- CProcess 2 involves fermentation.
- DProcess 2 is done at room temperature.