Answer:
Cork is a protective tissue that separates the living cells of the plant from the outside environment. The formation of cork in the periderm is the result of the activity of a secondary meristem, the cork cambium, or phellogen.
Explanation:
Muscles need much more energy. Mitochondria are the powerhouse of the cell and produces all of the ATP that a cell needs. The more mitochondria there is, the more energy that is produced
All elements in group 18 have full Valence electrons. Therefore they cannot bond with any other elements because they are inert.
I’d say answer D is the best option.