Food is often preserved by the addition of salts and/or suga…

Fооd is оften preserved by the аddition of sаlts аnd/or sugars or by drying (e.g., dried fruit, beef jerky, etc.) Similarly, many products (e.g., crackers, biscuits, cookies, chips etc.) have a long shelf life simply by being dry even if they may or may not have a high sugar or salt concentration. Please explain how these approaches work to prevent microbial growth on these food items. Be specific and use scientific terminology you have learned to explain the impact these approaches have on microorganisms.