the sun burns it and turns brown
Summer time normally.
In fall, the rugged brown leaves come out.
Peanut butter is brown because the main ingredients are brown. Then there's a process called oxidization - same that makes an apple slice turn brown in air - that makes it a bit browner.
the bow echo effect.
The apple will be fresh longer. Since the acid in the apple makes the apple turn brown the lemon juice keeps it from doing that.
ask your nearsed shop (: !
It will turn brown faster in the plastic bag than normally because it produces a chemical that makes it turn brown faster. That can be avoided if you put lemon juice on the apple.
There is a high amount of acid in lime juice and the part of the apple that makes it turn brown(enzyme) when exposed to oxygen, has an edible effect on the enzyme to protect it from browning
the tree stops making chlorophyll in the winter. (the chlorophyll is the stuff in the leaves that makes them green)
There is no cell organelle that makes an apple sweet. The glucose that is produced by the cells is what makes the apple taste sweet.
Apple.
Apple makes the ipads iphones etc.