Ethanol is made on an industrial scale by fermentation and also by a catalysed addition reaction with steam. Which row describes one advantage of each process?
- Afermentation: the reactant used is renewable; catalysed addition: it is a continuous process
- Bfermentation: the reactant used is renewable; catalysed addition: it requires little energy
- Cfermentation: it is a very rapid reaction; catalysed addition: it is a continuous process
- Dfermentation: it is a very rapid reaction; catalysed addition: it requires little energy