A sharp knife cuts objects mire effectively than a blunt knife give reasons

the sharp knife can have a more clean cut then a blunt knife

Explanation:

Sharp knife cuts better than a blunt knife due to its very thin edge.

The more the area of contact of a given body the lesser the pressure it will exert

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products