Question

Preservatives such as citric acid are added to foods to interfere with bacterial growth. this creates an acidic ph in the food. why does this affect the bacteria that are present?

Answer 1

to add tartness

Step-by-step explanation:

Answer 2

There is always a minimal and maximum Ph level bacteria can live in. for example Salmonella can only grow between 4.2 and 7,5 Ph.