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?

Relax

Respuesta :

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. 

Answer:

to add tartness

Explanation: