Bread is produced from a blend of flour, sugar, water and yeast. The mixture is kept in a warm place so that it can rise before it is baked. Which process causes the bread to rise?
- AThe yeast feeds on the flour and grows.
- BThe yeast reproduces to make the loaf bigger.
- CThe yeast uses sugar to respire and produces carbon dioxide.
- DThe yeast produces alcohol which it excretes.