Atree or plant can live without its bark or epidermis.

true
false

False. The nutrients often flow in this part of the plant. Though the rest of the wood does the same for carrying water and nutrients, the wood is mostly for strength, but the bark and epidermis carry lots of nutrients, and offer a little bit more protection against the elements.  

The answer would be a (carbohydrates)

Ithink the answer is c.  hope this is right and