Question

question 3
one product that is promoted using scientific claims is enzymes. what do you need to know before buying these products?
how many types of enzymes are used in the product
the properties of enzymes and how they function
how long the manufacturer has studied enzymes
how many consumers buy and use the enzyme product
question 4

Explanation:

Understanding the properties and functions of enzymes is crucial to assess the product's claims and potential benefits. Knowing the number of enzyme - types is less important without understanding their functions. The manufacturer's study duration may not directly relate to the product's effectiveness, and consumer usage numbers do not guarantee the product's scientific validity.

Answer:

The properties of enzymes and how they function