Biological washing powders contain protein-, fat- and carbohydrate-digesting enzymes to help remove stains. Name two other uses for enzymes in the home
or industry.

An enzyme called rennin is used in the coagulation of milk to make cheese and enzymes in yeast ferment break down sugar molecules in grain or fruit to make ethanol that is used for wine making.

Droughts cause very arid places such as a desert

The answer is the ulna nerve