Plain water does not preserve fruits.
There is a lot of bacteria that preserve fruit. However, not all bacteria serves to preserve fruits and other vegetables.
Mostly fruits.
Yes
fruits are dipped into liquid wax
No. Just adding water to fruit would not be a good preservation method. That would increase the water activity which would allow more microbes to grow.
so they can preserve it and enjoy it later.
Most people preserve food to slow down the rotting of fruits, vegetables, and meats. Doing this means people waste less food and can have enjoy their fruits and vegetables even in winter.
water can not preserve food it attracts mold
On meat, salt can preserve food.
Most fruits can be preserved by freezing them, though some fruits are different. You could try sealing it in an airtight container, but if you do, keep it in a dark place. You could also try refrigerating it.
Water is water. It has no substances or chemicals in it that'll preserve the apple. Salt has sodium that preserves the apple. Our ancestors preserved meat with salt because water doesn't preserve things.
you have to cut up camel chunks and mix it with your food