Dwarfism is a condition caused by hyposecretion of growth hormone and would explain her height.
It is important for teens to eat well because they are growing and need energy and they need to stay healthy.
A to reach many people it’s not c because it’s only one message and your not accusing people it could be b but that’s not really a memo so it should be a because a memo is delivering a message to a large group that can be passed on
