sprinkle with lemon juice
no
http://www.articlesbase.com/food-and-beverage-articles/keep-apple-slices-from-turning-brown-naturally-1238490.html
To keep them from drying out and turning brown
you don't
cause it gets pooped on
Yes it should. Potatoes turn brown when exposed to air. Covering them with any liquid should keep them from turning brown.
Oxygen. Dip apple slices in lemon juice to keep them from turning brown.
A hypothesis doesn't have to be a correct statement. Just pick a chemical and say this one will or will not keep the fruit from turning brown. Then give a brief statement about why you think this way.
keep it in the frige
Coleslaw can typically be kept in the refrigerator for 3-5 days before it goes bad.
will covering peeled potatoes in olive oil keep them from turning brown
Use lemon juice.