You are presented with the question "What are two ways you can save food?" and the following answer choices: 
- Fully cooking the oysters
 - Burning fuel and air
 - Bread it and fry it
 - Water it down and drink it
 - converting electricity to heat
 - lowered energy cost
 - Dehydration and salting
 - Burn it and throw it away

Now knowing that dehydrating food is used for preserving food and to preserve a food by salting, choose the best answer.


 

       Dehydration and salting  